Finding the Fourth Proportional to 144,696.27, 199,644.78 and 83,461.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,696.27 : 199,644.78 = 83,461.18 : x
2. Step 2: Convert to fraction form
   144,696.27/199,644.78 = 83,461.18/x
3. Step 3: Cross multiply
   144,696.27x = 199,644.78 × 83,461.18
4. Step 4: Simplify right side
   144,696.27x = 16,662,588,919.64
5. Step 5: Solve for x
   x = 16,662,588,919.64/144,696.27
6. Step 6: Final answer
   x = 115,155.62