Finding the Fourth Proportional to 144,016.77, 198,516.72 and 98,616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   144,016.77 : 198,516.72 = 98,616.15 : x
2. Step 2: Convert to fraction form
   144,016.77/198,516.72 = 98,616.15/x
3. Step 3: Cross multiply
   144,016.77x = 198,516.72 × 98,616.15
4. Step 4: Simplify right side
   144,016.77x = 19,576,954,637.03
5. Step 5: Solve for x
   x = 19,576,954,637.03/144,016.77
6. Step 6: Final answer
   x = 135,935.24