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Finding the Fourth Proportional to 82,304.78, 123,422.32 and 26,129.81

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Solution

The fourth proportional to 82,304.78, 123,422.32 and 26,129.81 is: 39,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,304.78 : 123,422.32 = 26,129.81 : x
  2. Step 2: Convert to fraction form
    82,304.78/123,422.32 = 26,129.81/x
  3. Step 3: Cross multiply
    82,304.78x = 123,422.32 × 26,129.81
  4. Step 4: Simplify right side
    82,304.78x = 3,225,001,641.93
  5. Step 5: Solve for x
    x = 3,225,001,641.93/82,304.78
  6. Step 6: Final answer
    x = 39,183.65

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