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Finding the Fourth Proportional to 87,300.48, 130,728.36 and 57,627.75

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Solution

The fourth proportional to 87,300.48, 130,728.36 and 57,627.75 is: 86,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,300.48 : 130,728.36 = 57,627.75 : x
  2. Step 2: Convert to fraction form
    87,300.48/130,728.36 = 57,627.75/x
  3. Step 3: Cross multiply
    87,300.48x = 130,728.36 × 57,627.75
  4. Step 4: Simplify right side
    87,300.48x = 7,533,581,954.33
  5. Step 5: Solve for x
    x = 7,533,581,954.33/87,300.48
  6. Step 6: Final answer
    x = 86,294.85

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