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Finding the Fourth Proportional to 26,479.22, 39,724.31 and 7,759.87

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Solution

The fourth proportional to 26,479.22, 39,724.31 and 7,759.87 is: 11,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.22 : 39,724.31 = 7,759.87 : x
  2. Step 2: Convert to fraction form
    26,479.22/39,724.31 = 7,759.87/x
  3. Step 3: Cross multiply
    26,479.22x = 39,724.31 × 7,759.87
  4. Step 4: Simplify right side
    26,479.22x = 308,255,357.88
  5. Step 5: Solve for x
    x = 308,255,357.88/26,479.22
  6. Step 6: Final answer
    x = 11,641.41

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