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Finding the Fourth Proportional to 268,049.60, 402,074.40 and 71,057.60

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Solution

The fourth proportional to 268,049.60, 402,074.40 and 71,057.60 is: 106,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,049.60 : 402,074.40 = 71,057.60 : x
  2. Step 2: Convert to fraction form
    268,049.60/402,074.40 = 71,057.60/x
  3. Step 3: Cross multiply
    268,049.60x = 402,074.40 × 71,057.60
  4. Step 4: Simplify right side
    268,049.60x = 28,570,441,885.44
  5. Step 5: Solve for x
    x = 28,570,441,885.44/268,049.60
  6. Step 6: Final answer
    x = 106,586.40

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