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Finding the Fourth Proportional to 204,358.88, 306,534.78 and 91,959.57

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Solution

The fourth proportional to 204,358.88, 306,534.78 and 91,959.57 is: 137,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,358.88 : 306,534.78 = 91,959.57 : x
  2. Step 2: Convert to fraction form
    204,358.88/306,534.78 = 91,959.57/x
  3. Step 3: Cross multiply
    204,358.88x = 306,534.78 × 91,959.57
  4. Step 4: Simplify right side
    204,358.88x = 28,188,806,558.84
  5. Step 5: Solve for x
    x = 28,188,806,558.84/204,358.88
  6. Step 6: Final answer
    x = 137,937.76

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