Finding the Fourth Proportional to 144,144.76, 198,961.78 and 83,742.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,144.76 : 198,961.78 = 83,742.52 : x
2. Step 2: Convert to fraction form
   144,144.76/198,961.78 = 83,742.52/x
3. Step 3: Cross multiply
   144,144.76x = 198,961.78 × 83,742.52
4. Step 4: Simplify right side
   144,144.76x = 16,661,560,840.89
5. Step 5: Solve for x
   x = 16,661,560,840.89/144,144.76
6. Step 6: Final answer
   x = 115,589.08