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Finding the Fourth Proportional to 104,819.34, 144,649.24 and 57,072.69

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Solution

The fourth proportional to 104,819.34, 144,649.24 and 57,072.69 is: 78,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819.34 : 144,649.24 = 57,072.69 : x
  2. Step 2: Convert to fraction form
    104,819.34/144,649.24 = 57,072.69/x
  3. Step 3: Cross multiply
    104,819.34x = 144,649.24 × 57,072.69
  4. Step 4: Simplify right side
    104,819.34x = 8,255,521,233.26
  5. Step 5: Solve for x
    x = 8,255,521,233.26/104,819.34
  6. Step 6: Final answer
    x = 78,759.52

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