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Finding the Fourth Proportional to 107,691.14, 161,536.88 and 28,805.38

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Solution

The fourth proportional to 107,691.14, 161,536.88 and 28,805.38 is: 43,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691.14 : 161,536.88 = 28,805.38 : x
  2. Step 2: Convert to fraction form
    107,691.14/161,536.88 = 28,805.38/x
  3. Step 3: Cross multiply
    107,691.14x = 161,536.88 × 28,805.38
  4. Step 4: Simplify right side
    107,691.14x = 4,653,131,212.41
  5. Step 5: Solve for x
    x = 4,653,131,212.41/107,691.14
  6. Step 6: Final answer
    x = 43,208.12

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