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Finding the Fourth Proportional to 342,976.68, 514,540.20 and 115,264.14

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Solution

The fourth proportional to 342,976.68, 514,540.20 and 115,264.14 is: 172,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,976.68 : 514,540.20 = 115,264.14 : x
  2. Step 2: Convert to fraction form
    342,976.68/514,540.20 = 115,264.14/x
  3. Step 3: Cross multiply
    342,976.68x = 514,540.20 × 115,264.14
  4. Step 4: Simplify right side
    342,976.68x = 59,308,033,648.43
  5. Step 5: Solve for x
    x = 59,308,033,648.43/342,976.68
  6. Step 6: Final answer
    x = 172,921.48

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