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Finding the Fourth Proportional to 104,937.40, 144,809.39 and 57,189.72

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Solution

The fourth proportional to 104,937.40, 144,809.39 and 57,189.72 is: 78,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.40 : 144,809.39 = 57,189.72 : x
  2. Step 2: Convert to fraction form
    104,937.40/144,809.39 = 57,189.72/x
  3. Step 3: Cross multiply
    104,937.40x = 144,809.39 × 57,189.72
  4. Step 4: Simplify right side
    104,937.40x = 8,281,608,467.47
  5. Step 5: Solve for x
    x = 8,281,608,467.47/104,937.40
  6. Step 6: Final answer
    x = 78,919.51

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