Finding the Fourth Proportional to 118,456.56, 177,754.84 and 43,629.28

Step by Step Solution

1. Step 1: Write the proportion equation
   118,456.56 : 177,754.84 = 43,629.28 : x
2. Step 2: Convert to fraction form
   118,456.56/177,754.84 = 43,629.28/x
3. Step 3: Cross multiply
   118,456.56x = 177,754.84 × 43,629.28
4. Step 4: Simplify right side
   118,456.56x = 7,755,315,685.72
5. Step 5: Solve for x
   x = 7,755,315,685.72/118,456.56
6. Step 6: Final answer
   x = 65,469.70