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Finding the Fourth Proportional to 41,280.84, 61,918.83 and 13,578.84

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Solution

The fourth proportional to 41,280.84, 61,918.83 and 13,578.84 is: 20,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,280.84 : 61,918.83 = 13,578.84 : x
  2. Step 2: Convert to fraction form
    41,280.84/61,918.83 = 13,578.84/x
  3. Step 3: Cross multiply
    41,280.84x = 61,918.83 × 13,578.84
  4. Step 4: Simplify right side
    41,280.84x = 840,785,885.56
  5. Step 5: Solve for x
    x = 840,785,885.56/41,280.84
  6. Step 6: Final answer
    x = 20,367.46

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