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Finding the Fourth Proportional to 92,689.72, 139,022.28 and 26,135.21

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Solution

The fourth proportional to 92,689.72, 139,022.28 and 26,135.21 is: 39,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,689.72 : 139,022.28 = 26,135.21 : x
  2. Step 2: Convert to fraction form
    92,689.72/139,022.28 = 26,135.21/x
  3. Step 3: Cross multiply
    92,689.72x = 139,022.28 × 26,135.21
  4. Step 4: Simplify right side
    92,689.72x = 3,633,376,830.03
  5. Step 5: Solve for x
    x = 3,633,376,830.03/92,689.72
  6. Step 6: Final answer
    x = 39,199.35

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