Finding the Fourth Proportional to 118,411.78, 177,687.72 and 43,584.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,411.78 : 177,687.72 = 43,584.48 : x
2. Step 2: Convert to fraction form
   118,411.78/177,687.72 = 43,584.48/x
3. Step 3: Cross multiply
   118,411.78x = 177,687.72 × 43,584.48
4. Step 4: Simplify right side
   118,411.78x = 7,744,426,878.59
5. Step 5: Solve for x
   x = 7,744,426,878.59/118,411.78
6. Step 6: Final answer
   x = 65,402.50