Finding the Fourth Proportional to 144,185.49, 198,962.31 and 83,754.49

Step by Step Solution

1. Step 1: Write the proportion equation
   144,185.49 : 198,962.31 = 83,754.49 : x
2. Step 2: Convert to fraction form
   144,185.49/198,962.31 = 83,754.49/x
3. Step 3: Cross multiply
   144,185.49x = 198,962.31 × 83,754.49
4. Step 4: Simplify right side
   144,185.49x = 16,663,986,803.27
5. Step 5: Solve for x
   x = 16,663,986,803.27/144,185.49
6. Step 6: Final answer
   x = 115,573.26