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Finding the Fourth Proportional to 13,716.08, 20,566.20 and 12,075.92

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Solution

The fourth proportional to 13,716.08, 20,566.20 and 12,075.92 is: 18,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.08 : 20,566.20 = 12,075.92 : x
  2. Step 2: Convert to fraction form
    13,716.08/20,566.20 = 12,075.92/x
  3. Step 3: Cross multiply
    13,716.08x = 20,566.20 × 12,075.92
  4. Step 4: Simplify right side
    13,716.08x = 248,355,785.90
  5. Step 5: Solve for x
    x = 248,355,785.90/13,716.08
  6. Step 6: Final answer
    x = 18,106.91

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