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Finding the Fourth Proportional to 18,988.93, 26,205.29 and 10,605.25

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Solution

The fourth proportional to 18,988.93, 26,205.29 and 10,605.25 is: 14,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.93 : 26,205.29 = 10,605.25 : x
  2. Step 2: Convert to fraction form
    18,988.93/26,205.29 = 10,605.25/x
  3. Step 3: Cross multiply
    18,988.93x = 26,205.29 × 10,605.25
  4. Step 4: Simplify right side
    18,988.93x = 277,913,651.77
  5. Step 5: Solve for x
    x = 277,913,651.77/18,988.93
  6. Step 6: Final answer
    x = 14,635.56

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