Finding the Fourth Proportional to 81,969.08, 113,122.54 and 49,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   81,969.08 : 113,122.54 = 49,706.78 : x
2. Step 2: Convert to fraction form
   81,969.08/113,122.54 = 49,706.78/x
3. Step 3: Cross multiply
   81,969.08x = 113,122.54 × 49,706.78
4. Step 4: Simplify right side
   81,969.08x = 5,622,957,208.82
5. Step 5: Solve for x
   x = 5,622,957,208.82/81,969.08
6. Step 6: Final answer
   x = 68,598.52