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Finding the Fourth Proportional to 78,391.44, 108,177.12 and 46,559.52

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Solution

The fourth proportional to 78,391.44, 108,177.12 and 46,559.52 is: 64,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391.44 : 108,177.12 = 46,559.52 : x
  2. Step 2: Convert to fraction form
    78,391.44/108,177.12 = 46,559.52/x
  3. Step 3: Cross multiply
    78,391.44x = 108,177.12 × 46,559.52
  4. Step 4: Simplify right side
    78,391.44x = 5,036,674,782.18
  5. Step 5: Solve for x
    x = 5,036,674,782.18/78,391.44
  6. Step 6: Final answer
    x = 64,250.32

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