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Finding the Fourth Proportional to 54,363.20, 81,544.80 and 52,462.40

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Solution

The fourth proportional to 54,363.20, 81,544.80 and 52,462.40 is: 78,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.20 : 81,544.80 = 52,462.40 : x
  2. Step 2: Convert to fraction form
    54,363.20/81,544.80 = 52,462.40/x
  3. Step 3: Cross multiply
    54,363.20x = 81,544.80 × 52,462.40
  4. Step 4: Simplify right side
    54,363.20x = 4,278,035,915.52
  5. Step 5: Solve for x
    x = 4,278,035,915.52/54,363.20
  6. Step 6: Final answer
    x = 78,693.60

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