Finding the Fourth Proportional to 81,711.58, 112,774.17 and 49,898.92

Step by Step Solution

1. Step 1: Write the proportion equation
   81,711.58 : 112,774.17 = 49,898.92 : x
2. Step 2: Convert to fraction form
   81,711.58/112,774.17 = 49,898.92/x
3. Step 3: Cross multiply
   81,711.58x = 112,774.17 × 49,898.92
4. Step 4: Simplify right side
   81,711.58x = 5,627,309,286.90
5. Step 5: Solve for x
   x = 5,627,309,286.90/81,711.58
6. Step 6: Final answer
   x = 68,867.95