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Finding the Fourth Proportional to 77,132.54, 115,687.12 and 26,539.26

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Solution

The fourth proportional to 77,132.54, 115,687.12 and 26,539.26 is: 39,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132.54 : 115,687.12 = 26,539.26 : x
  2. Step 2: Convert to fraction form
    77,132.54/115,687.12 = 26,539.26/x
  3. Step 3: Cross multiply
    77,132.54x = 115,687.12 × 26,539.26
  4. Step 4: Simplify right side
    77,132.54x = 3,070,250,556.33
  5. Step 5: Solve for x
    x = 3,070,250,556.33/77,132.54
  6. Step 6: Final answer
    x = 39,804.87

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