Finding the Fourth Proportional to 81,716.77, 112,775.29 and 49,891.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,716.77 : 112,775.29 = 49,891.82 : x
2. Step 2: Convert to fraction form
   81,716.77/112,775.29 = 49,891.82/x
3. Step 3: Cross multiply
   81,716.77x = 112,775.29 × 49,891.82
4. Step 4: Simplify right side
   81,716.77x = 5,626,563,780.52
5. Step 5: Solve for x
   x = 5,626,563,780.52/81,716.77
6. Step 6: Final answer
   x = 68,854.46