Finding the Fourth Proportional to 78,726.85, 117,966.34 and 49,100.29

Step by Step Solution

1. Step 1: Write the proportion equation
   78,726.85 : 117,966.34 = 49,100.29 : x
2. Step 2: Convert to fraction form
   78,726.85/117,966.34 = 49,100.29/x
3. Step 3: Cross multiply
   78,726.85x = 117,966.34 × 49,100.29
4. Step 4: Simplify right side
   78,726.85x = 5,792,181,086.57
5. Step 5: Solve for x
   x = 5,792,181,086.57/78,726.85
6. Step 6: Final answer
   x = 73,573.14