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Finding the Fourth Proportional to 60,752.80, 91,129.20 and 56,087.20

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Solution

The fourth proportional to 60,752.80, 91,129.20 and 56,087.20 is: 84,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,752.80 : 91,129.20 = 56,087.20 : x
  2. Step 2: Convert to fraction form
    60,752.80/91,129.20 = 56,087.20/x
  3. Step 3: Cross multiply
    60,752.80x = 91,129.20 × 56,087.20
  4. Step 4: Simplify right side
    60,752.80x = 5,111,181,666.24
  5. Step 5: Solve for x
    x = 5,111,181,666.24/60,752.80
  6. Step 6: Final answer
    x = 84,130.80

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