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Finding the Fourth Proportional to 54,870.78, 75,722.04 and 29,720.28

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Solution

The fourth proportional to 54,870.78, 75,722.04 and 29,720.28 is: 41,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.78 : 75,722.04 = 29,720.28 : x
  2. Step 2: Convert to fraction form
    54,870.78/75,722.04 = 29,720.28/x
  3. Step 3: Cross multiply
    54,870.78x = 75,722.04 × 29,720.28
  4. Step 4: Simplify right side
    54,870.78x = 2,250,480,230.97
  5. Step 5: Solve for x
    x = 2,250,480,230.97/54,870.78
  6. Step 6: Final answer
    x = 41,014.18

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