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Finding the Fourth Proportional to 82,412.55, 123,618.81 and 29,809.73

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Solution

The fourth proportional to 82,412.55, 123,618.81 and 29,809.73 is: 44,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,412.55 : 123,618.81 = 29,809.73 : x
  2. Step 2: Convert to fraction form
    82,412.55/123,618.81 = 29,809.73/x
  3. Step 3: Cross multiply
    82,412.55x = 123,618.81 × 29,809.73
  4. Step 4: Simplify right side
    82,412.55x = 3,685,043,349.02
  5. Step 5: Solve for x
    x = 3,685,043,349.02/82,412.55
  6. Step 6: Final answer
    x = 44,714.59

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