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Finding the Fourth Proportional to 78,597.78, 108,448.12 and 46,760.46

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Solution

The fourth proportional to 78,597.78, 108,448.12 and 46,760.46 is: 64,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,597.78 : 108,448.12 = 46,760.46 : x
  2. Step 2: Convert to fraction form
    78,597.78/108,448.12 = 46,760.46/x
  3. Step 3: Cross multiply
    78,597.78x = 108,448.12 × 46,760.46
  4. Step 4: Simplify right side
    78,597.78x = 5,071,083,977.34
  5. Step 5: Solve for x
    x = 5,071,083,977.34/78,597.78
  6. Step 6: Final answer
    x = 64,519.43

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