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Finding the Fourth Proportional to 89,760.63, 123,824.12 and 68,502.99

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Solution

The fourth proportional to 89,760.63, 123,824.12 and 68,502.99 is: 94,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,760.63 : 123,824.12 = 68,502.99 : x
  2. Step 2: Convert to fraction form
    89,760.63/123,824.12 = 68,502.99/x
  3. Step 3: Cross multiply
    89,760.63x = 123,824.12 × 68,502.99
  4. Step 4: Simplify right side
    89,760.63x = 8,482,322,111.60
  5. Step 5: Solve for x
    x = 8,482,322,111.60/89,760.63
  6. Step 6: Final answer
    x = 94,499.36

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