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Finding the Fourth Proportional to 57,701.10, 86,551.65 and 54,420.60

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Solution

The fourth proportional to 57,701.10, 86,551.65 and 54,420.60 is: 81,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.10 : 86,551.65 = 54,420.60 : x
  2. Step 2: Convert to fraction form
    57,701.10/86,551.65 = 54,420.60/x
  3. Step 3: Cross multiply
    57,701.10x = 86,551.65 × 54,420.60
  4. Step 4: Simplify right side
    57,701.10x = 4,710,192,723.99
  5. Step 5: Solve for x
    x = 4,710,192,723.99/57,701.10
  6. Step 6: Final answer
    x = 81,630.90

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