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Finding the Fourth Proportional to 111,754.82, 154,158.53 and 66,447.41

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Solution

The fourth proportional to 111,754.82, 154,158.53 and 66,447.41 is: 91,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754.82 : 154,158.53 = 66,447.41 : x
  2. Step 2: Convert to fraction form
    111,754.82/154,158.53 = 66,447.41/x
  3. Step 3: Cross multiply
    111,754.82x = 154,158.53 × 66,447.41
  4. Step 4: Simplify right side
    111,754.82x = 10,243,435,433.30
  5. Step 5: Solve for x
    x = 10,243,435,433.30/111,754.82
  6. Step 6: Final answer
    x = 91,659.90

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