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Finding the Fourth Proportional to 135,846.94, 187,578.84 and 84,919

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Solution

The fourth proportional to 135,846.94, 187,578.84 and 84,919 is: 117,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,846.94 : 187,578.84 = 84,919 : x
  2. Step 2: Convert to fraction form
    135,846.94/187,578.84 = 84,919/x
  3. Step 3: Cross multiply
    135,846.94x = 187,578.84 × 84,919
  4. Step 4: Simplify right side
    135,846.94x = 15,929,007,513.96
  5. Step 5: Solve for x
    x = 15,929,007,513.96/135,846.94
  6. Step 6: Final answer
    x = 117,257.02

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