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Finding the Fourth Proportional to 84,995.12, 117,291.60 and 47,268.56

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Solution

The fourth proportional to 84,995.12, 117,291.60 and 47,268.56 is: 65,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,995.12 : 117,291.60 = 47,268.56 : x
  2. Step 2: Convert to fraction form
    84,995.12/117,291.60 = 47,268.56/x
  3. Step 3: Cross multiply
    84,995.12x = 117,291.60 × 47,268.56
  4. Step 4: Simplify right side
    84,995.12x = 5,544,205,032.10
  5. Step 5: Solve for x
    x = 5,544,205,032.10/84,995.12
  6. Step 6: Final answer
    x = 65,229.69

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