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Finding the Fourth Proportional to 82,740.24, 123,890.04 and 56,496.24

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Solution

The fourth proportional to 82,740.24, 123,890.04 and 56,496.24 is: 84,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,740.24 : 123,890.04 = 56,496.24 : x
  2. Step 2: Convert to fraction form
    82,740.24/123,890.04 = 56,496.24/x
  3. Step 3: Cross multiply
    82,740.24x = 123,890.04 × 56,496.24
  4. Step 4: Simplify right side
    82,740.24x = 6,999,321,433.45
  5. Step 5: Solve for x
    x = 6,999,321,433.45/82,740.24
  6. Step 6: Final answer
    x = 84,593.92

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