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Finding the Fourth Proportional to 82,640.36, 123,968.74 and 26,466.36

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Solution

The fourth proportional to 82,640.36, 123,968.74 and 26,466.36 is: 39,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.36 : 123,968.74 = 26,466.36 : x
  2. Step 2: Convert to fraction form
    82,640.36/123,968.74 = 26,466.36/x
  3. Step 3: Cross multiply
    82,640.36x = 123,968.74 × 26,466.36
  4. Step 4: Simplify right side
    82,640.36x = 3,281,001,301.59
  5. Step 5: Solve for x
    x = 3,281,001,301.59/82,640.36
  6. Step 6: Final answer
    x = 39,702.17

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