Finding the Fourth Proportional to 81,540.09, 112,498.41 and 49,262.61

Step by Step Solution

1. Step 1: Write the proportion equation
   81,540.09 : 112,498.41 = 49,262.61 : x
2. Step 2: Convert to fraction form
   81,540.09/112,498.41 = 49,262.61/x
3. Step 3: Cross multiply
   81,540.09x = 112,498.41 × 49,262.61
4. Step 4: Simplify right side
   81,540.09x = 5,541,965,297.45
5. Step 5: Solve for x
   x = 5,541,965,297.45/81,540.09
6. Step 6: Final answer
   x = 67,966.14