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Finding the Fourth Proportional to 54,172.80, 74,762.26 and 30,301.68

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Solution

The fourth proportional to 54,172.80, 74,762.26 and 30,301.68 is: 41,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.80 : 74,762.26 = 30,301.68 : x
  2. Step 2: Convert to fraction form
    54,172.80/74,762.26 = 30,301.68/x
  3. Step 3: Cross multiply
    54,172.80x = 74,762.26 × 30,301.68
  4. Step 4: Simplify right side
    54,172.80x = 2,265,422,078.60
  5. Step 5: Solve for x
    x = 2,265,422,078.60/54,172.80
  6. Step 6: Final answer
    x = 41,818.44

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