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Finding the Fourth Proportional to 79,134.72, 109,214.56 and 50,455.36

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Solution

The fourth proportional to 79,134.72, 109,214.56 and 50,455.36 is: 69,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.72 : 109,214.56 = 50,455.36 : x
  2. Step 2: Convert to fraction form
    79,134.72/109,214.56 = 50,455.36/x
  3. Step 3: Cross multiply
    79,134.72x = 109,214.56 × 50,455.36
  4. Step 4: Simplify right side
    79,134.72x = 5,510,459,942.04
  5. Step 5: Solve for x
    x = 5,510,459,942.04/79,134.72
  6. Step 6: Final answer
    x = 69,633.91

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