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Finding the Fourth Proportional to 57,656.80, 86,485.20 and 16,103.80

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Solution

The fourth proportional to 57,656.80, 86,485.20 and 16,103.80 is: 24,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,656.80 : 86,485.20 = 16,103.80 : x
  2. Step 2: Convert to fraction form
    57,656.80/86,485.20 = 16,103.80/x
  3. Step 3: Cross multiply
    57,656.80x = 86,485.20 × 16,103.80
  4. Step 4: Simplify right side
    57,656.80x = 1,392,740,363.76
  5. Step 5: Solve for x
    x = 1,392,740,363.76/57,656.80
  6. Step 6: Final answer
    x = 24,155.70

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