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Finding the Fourth Proportional to 268,350.80, 402,526.20 and 173,872.40

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Solution

The fourth proportional to 268,350.80, 402,526.20 and 173,872.40 is: 260,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,350.80 : 402,526.20 = 173,872.40 : x
  2. Step 2: Convert to fraction form
    268,350.80/402,526.20 = 173,872.40/x
  3. Step 3: Cross multiply
    268,350.80x = 402,526.20 × 173,872.40
  4. Step 4: Simplify right side
    268,350.80x = 69,988,196,456.88
  5. Step 5: Solve for x
    x = 69,988,196,456.88/268,350.80
  6. Step 6: Final answer
    x = 260,808.60

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