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Finding the Fourth Proportional to 315,514.77, 472,991.49 and 115,789.44

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Solution

The fourth proportional to 315,514.77, 472,991.49 and 115,789.44 is: 173,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,514.77 : 472,991.49 = 115,789.44 : x
  2. Step 2: Convert to fraction form
    315,514.77/472,991.49 = 115,789.44/x
  3. Step 3: Cross multiply
    315,514.77x = 472,991.49 × 115,789.44
  4. Step 4: Simplify right side
    315,514.77x = 54,767,419,751.87
  5. Step 5: Solve for x
    x = 54,767,419,751.87/315,514.77
  6. Step 6: Final answer
    x = 173,581.16

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