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Finding the Fourth Proportional to 78,775.04, 108,710.46 and 42,964.94

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Solution

The fourth proportional to 78,775.04, 108,710.46 and 42,964.94 is: 59,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,775.04 : 108,710.46 = 42,964.94 : x
  2. Step 2: Convert to fraction form
    78,775.04/108,710.46 = 42,964.94/x
  3. Step 3: Cross multiply
    78,775.04x = 108,710.46 × 42,964.94
  4. Step 4: Simplify right side
    78,775.04x = 4,670,738,391.27
  5. Step 5: Solve for x
    x = 4,670,738,391.27/78,775.04
  6. Step 6: Final answer
    x = 59,292.11

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