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Finding the Fourth Proportional to 26,913.21, 40,369.85 and 12,119.37

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Solution

The fourth proportional to 26,913.21, 40,369.85 and 12,119.37 is: 18,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.21 : 40,369.85 = 12,119.37 : x
  2. Step 2: Convert to fraction form
    26,913.21/40,369.85 = 12,119.37/x
  3. Step 3: Cross multiply
    26,913.21x = 40,369.85 × 12,119.37
  4. Step 4: Simplify right side
    26,913.21x = 489,257,088.40
  5. Step 5: Solve for x
    x = 489,257,088.40/26,913.21
  6. Step 6: Final answer
    x = 18,179.07

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