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Finding the Fourth Proportional to 104,934.44, 144,809.72 and 57,187.78

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Solution

The fourth proportional to 104,934.44, 144,809.72 and 57,187.78 is: 78,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.44 : 144,809.72 = 57,187.78 : x
  2. Step 2: Convert to fraction form
    104,934.44/144,809.72 = 57,187.78/x
  3. Step 3: Cross multiply
    104,934.44x = 144,809.72 × 57,187.78
  4. Step 4: Simplify right side
    104,934.44x = 8,281,346,409.22
  5. Step 5: Solve for x
    x = 8,281,346,409.22/104,934.44
  6. Step 6: Final answer
    x = 78,919.24

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