Finding the Fourth Proportional to 81,723.77, 112,787.96 and 49,476.17

Step by Step Solution

1. Step 1: Write the proportion equation
   81,723.77 : 112,787.96 = 49,476.17 : x
2. Step 2: Convert to fraction form
   81,723.77/112,787.96 = 49,476.17/x
3. Step 3: Cross multiply
   81,723.77x = 112,787.96 × 49,476.17
4. Step 4: Simplify right side
   81,723.77x = 5,580,315,471.59
5. Step 5: Solve for x
   x = 5,580,315,471.59/81,723.77
6. Step 6: Final answer
   x = 68,282.65