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Finding the Fourth Proportional to 378,067.28, 567,211.62 and 111,834.88

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Solution

The fourth proportional to 378,067.28, 567,211.62 and 111,834.88 is: 167,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,067.28 : 567,211.62 = 111,834.88 : x
  2. Step 2: Convert to fraction form
    378,067.28/567,211.62 = 111,834.88/x
  3. Step 3: Cross multiply
    378,067.28x = 567,211.62 × 111,834.88
  4. Step 4: Simplify right side
    378,067.28x = 63,434,043,457.31
  5. Step 5: Solve for x
    x = 63,434,043,457.31/378,067.28
  6. Step 6: Final answer
    x = 167,785.07

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