Finding the Fourth Proportional to 64,144.58, 88,517.61 and 35,850.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,144.58 : 88,517.61 = 35,850.20 : x
2. Step 2: Convert to fraction form
   64,144.58/88,517.61 = 35,850.20/x
3. Step 3: Cross multiply
   64,144.58x = 88,517.61 × 35,850.20
4. Step 4: Simplify right side
   64,144.58x = 3,173,373,579.43
5. Step 5: Solve for x
   x = 3,173,373,579.43/64,144.58
6. Step 6: Final answer
   x = 49,472.21