Finding the Fourth Proportional to 144,187.50, 198,965.06 and 83,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,187.50 : 198,965.06 = 83,756.50 : x
2. Step 2: Convert to fraction form
   144,187.50/198,965.06 = 83,756.50/x
3. Step 3: Cross multiply
   144,187.50x = 198,965.06 × 83,756.50
4. Step 4: Simplify right side
   144,187.50x = 16,664,617,047.89
5. Step 5: Solve for x
   x = 16,664,617,047.89/144,187.50
6. Step 6: Final answer
   x = 115,576.02