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Finding the Fourth Proportional to 78,763.09, 108,692.09 and 42,952.27

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Solution

The fourth proportional to 78,763.09, 108,692.09 and 42,952.27 is: 59,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,763.09 : 108,692.09 = 42,952.27 : x
  2. Step 2: Convert to fraction form
    78,763.09/108,692.09 = 42,952.27/x
  3. Step 3: Cross multiply
    78,763.09x = 108,692.09 × 42,952.27
  4. Step 4: Simplify right side
    78,763.09x = 4,668,571,781.78
  5. Step 5: Solve for x
    x = 4,668,571,781.78/78,763.09
  6. Step 6: Final answer
    x = 59,273.60

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