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Finding the Fourth Proportional to 12,880.82, 19,311.78 and 4,110.68

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Solution

The fourth proportional to 12,880.82, 19,311.78 and 4,110.68 is: 6,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.82 : 19,311.78 = 4,110.68 : x
  2. Step 2: Convert to fraction form
    12,880.82/19,311.78 = 4,110.68/x
  3. Step 3: Cross multiply
    12,880.82x = 19,311.78 × 4,110.68
  4. Step 4: Simplify right side
    12,880.82x = 79,384,547.81
  5. Step 5: Solve for x
    x = 79,384,547.81/12,880.82
  6. Step 6: Final answer
    x = 6,163.00

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