Finding the Fourth Proportional to 144,074.24, 198,811.50 and 83,635.15

Step by Step Solution

1. Step 1: Write the proportion equation
   144,074.24 : 198,811.50 = 83,635.15 : x
2. Step 2: Convert to fraction form
   144,074.24/198,811.50 = 83,635.15/x
3. Step 3: Cross multiply
   144,074.24x = 198,811.50 × 83,635.15
4. Step 4: Simplify right side
   144,074.24x = 16,627,629,206.05
5. Step 5: Solve for x
   x = 16,627,629,206.05/144,074.24
6. Step 6: Final answer
   x = 115,410.15