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Finding the Fourth Proportional to 115,562.80, 173,344.20 and 56,436.40

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Solution

The fourth proportional to 115,562.80, 173,344.20 and 56,436.40 is: 84,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,562.80 : 173,344.20 = 56,436.40 : x
  2. Step 2: Convert to fraction form
    115,562.80/173,344.20 = 56,436.40/x
  3. Step 3: Cross multiply
    115,562.80x = 173,344.20 × 56,436.40
  4. Step 4: Simplify right side
    115,562.80x = 9,782,922,608.88
  5. Step 5: Solve for x
    x = 9,782,922,608.88/115,562.80
  6. Step 6: Final answer
    x = 84,654.60

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