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Finding the Fourth Proportional to 115,057.88, 172,588.98 and 31,954.04

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Solution

The fourth proportional to 115,057.88, 172,588.98 and 31,954.04 is: 47,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.88 : 172,588.98 = 31,954.04 : x
  2. Step 2: Convert to fraction form
    115,057.88/172,588.98 = 31,954.04/x
  3. Step 3: Cross multiply
    115,057.88x = 172,588.98 × 31,954.04
  4. Step 4: Simplify right side
    115,057.88x = 5,514,914,307.53
  5. Step 5: Solve for x
    x = 5,514,914,307.53/115,057.88
  6. Step 6: Final answer
    x = 47,931.65

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