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Finding the Fourth Proportional to 192,507.72, 288,624.42 and 74,079.24

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Solution

The fourth proportional to 192,507.72, 288,624.42 and 74,079.24 is: 111,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,507.72 : 288,624.42 = 74,079.24 : x
  2. Step 2: Convert to fraction form
    192,507.72/288,624.42 = 74,079.24/x
  3. Step 3: Cross multiply
    192,507.72x = 288,624.42 × 74,079.24
  4. Step 4: Simplify right side
    192,507.72x = 21,381,077,679.04
  5. Step 5: Solve for x
    x = 21,381,077,679.04/192,507.72
  6. Step 6: Final answer
    x = 111,066.08

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