Finding the Fourth Proportional to 118,124.97, 163,008.89 and 64,411.03

Step by Step Solution

1. Step 1: Write the proportion equation
   118,124.97 : 163,008.89 = 64,411.03 : x
2. Step 2: Convert to fraction form
   118,124.97/163,008.89 = 64,411.03/x
3. Step 3: Cross multiply
   118,124.97x = 163,008.89 × 64,411.03
4. Step 4: Simplify right side
   118,124.97x = 10,499,570,627.30
5. Step 5: Solve for x
   x = 10,499,570,627.30/118,124.97
6. Step 6: Final answer
   x = 88,885.28