Finding the Fourth Proportional to 144,915.27, 199,945.24 and 83,646.47

Step by Step Solution

1. Step 1: Write the proportion equation
   144,915.27 : 199,945.24 = 83,646.47 : x
2. Step 2: Convert to fraction form
   144,915.27/199,945.24 = 83,646.47/x
3. Step 3: Cross multiply
   144,915.27x = 199,945.24 × 83,646.47
4. Step 4: Simplify right side
   144,915.27x = 16,724,712,310.46
5. Step 5: Solve for x
   x = 16,724,712,310.46/144,915.27
6. Step 6: Final answer
   x = 115,410.28