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Finding the Fourth Proportional to 66,934.22, 100,368.99 and 38,861.33

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Solution

The fourth proportional to 66,934.22, 100,368.99 and 38,861.33 is: 58,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.22 : 100,368.99 = 38,861.33 : x
  2. Step 2: Convert to fraction form
    66,934.22/100,368.99 = 38,861.33/x
  3. Step 3: Cross multiply
    66,934.22x = 100,368.99 × 38,861.33
  4. Step 4: Simplify right side
    66,934.22x = 3,900,471,940.31
  5. Step 5: Solve for x
    x = 3,900,471,940.31/66,934.22
  6. Step 6: Final answer
    x = 58,273.22

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