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Finding the Fourth Proportional to 12,444.76, 18,670.78 and 3,679.90

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Solution

The fourth proportional to 12,444.76, 18,670.78 and 3,679.90 is: 5,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.76 : 18,670.78 = 3,679.90 : x
  2. Step 2: Convert to fraction form
    12,444.76/18,670.78 = 3,679.90/x
  3. Step 3: Cross multiply
    12,444.76x = 18,670.78 × 3,679.90
  4. Step 4: Simplify right side
    12,444.76x = 68,706,603.32
  5. Step 5: Solve for x
    x = 68,706,603.32/12,444.76
  6. Step 6: Final answer
    x = 5,520.93

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