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Finding the Fourth Proportional to 13,692.73, 20,539.29 and 4,807.71

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Solution

The fourth proportional to 13,692.73, 20,539.29 and 4,807.71 is: 7,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.73 : 20,539.29 = 4,807.71 : x
  2. Step 2: Convert to fraction form
    13,692.73/20,539.29 = 4,807.71/x
  3. Step 3: Cross multiply
    13,692.73x = 20,539.29 × 4,807.71
  4. Step 4: Simplify right side
    13,692.73x = 98,746,949.93
  5. Step 5: Solve for x
    x = 98,746,949.93/13,692.73
  6. Step 6: Final answer
    x = 7,211.63

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