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Finding the Fourth Proportional to 91,792.67, 126,572.69 and 63,449.15

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Solution

The fourth proportional to 91,792.67, 126,572.69 and 63,449.15 is: 87,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.67 : 126,572.69 = 63,449.15 : x
  2. Step 2: Convert to fraction form
    91,792.67/126,572.69 = 63,449.15/x
  3. Step 3: Cross multiply
    91,792.67x = 126,572.69 × 63,449.15
  4. Step 4: Simplify right side
    91,792.67x = 8,030,929,119.47
  5. Step 5: Solve for x
    x = 8,030,929,119.47/91,792.67
  6. Step 6: Final answer
    x = 87,489.88

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