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Finding the Fourth Proportional to 211,682.97, 317,395.26 and 89,960.09

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Solution

The fourth proportional to 211,682.97, 317,395.26 and 89,960.09 is: 134,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,682.97 : 317,395.26 = 89,960.09 : x
  2. Step 2: Convert to fraction form
    211,682.97/317,395.26 = 89,960.09/x
  3. Step 3: Cross multiply
    211,682.97x = 317,395.26 × 89,960.09
  4. Step 4: Simplify right side
    211,682.97x = 28,552,904,568.20
  5. Step 5: Solve for x
    x = 28,552,904,568.20/211,682.97
  6. Step 6: Final answer
    x = 134,885.22

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