Finding the Fourth Proportional to 81,538.75, 112,535.77 and 49,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,538.75 : 112,535.77 = 49,726.10 : x
2. Step 2: Convert to fraction form
   81,538.75/112,535.77 = 49,726.10/x
3. Step 3: Cross multiply
   81,538.75x = 112,535.77 × 49,726.10
4. Step 4: Simplify right side
   81,538.75x = 5,595,964,546.94
5. Step 5: Solve for x
   x = 5,595,964,546.94/81,538.75
6. Step 6: Final answer
   x = 68,629.52