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Finding the Fourth Proportional to 268,236.80, 402,355.20 and 264,737.60

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Solution

The fourth proportional to 268,236.80, 402,355.20 and 264,737.60 is: 397,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,236.80 : 402,355.20 = 264,737.60 : x
  2. Step 2: Convert to fraction form
    268,236.80/402,355.20 = 264,737.60/x
  3. Step 3: Cross multiply
    268,236.80x = 402,355.20 × 264,737.60
  4. Step 4: Simplify right side
    268,236.80x = 106,518,549,995.52
  5. Step 5: Solve for x
    x = 106,518,549,995.52/268,236.80
  6. Step 6: Final answer
    x = 397,106.40

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