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Finding the Fourth Proportional to 104,859.22, 144,705.95 and 57,112.42

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Solution

The fourth proportional to 104,859.22, 144,705.95 and 57,112.42 is: 78,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859.22 : 144,705.95 = 57,112.42 : x
  2. Step 2: Convert to fraction form
    104,859.22/144,705.95 = 57,112.42/x
  3. Step 3: Cross multiply
    104,859.22x = 144,705.95 × 57,112.42
  4. Step 4: Simplify right side
    104,859.22x = 8,264,506,992.90
  5. Step 5: Solve for x
    x = 8,264,506,992.90/104,859.22
  6. Step 6: Final answer
    x = 78,815.26

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