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Finding the Fourth Proportional to 11,106.79, 16,665.62 and 4,865.95

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Solution

The fourth proportional to 11,106.79, 16,665.62 and 4,865.95 is: 7,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.79 : 16,665.62 = 4,865.95 : x
  2. Step 2: Convert to fraction form
    11,106.79/16,665.62 = 4,865.95/x
  3. Step 3: Cross multiply
    11,106.79x = 16,665.62 × 4,865.95
  4. Step 4: Simplify right side
    11,106.79x = 81,094,073.64
  5. Step 5: Solve for x
    x = 81,094,073.64/11,106.79
  6. Step 6: Final answer
    x = 7,301.31

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