Finding the Fourth Proportional to 140,563.89, 193,959.05 and 83,963.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,563.89 : 193,959.05 = 83,963.25 : x
2. Step 2: Convert to fraction form
   140,563.89/193,959.05 = 83,963.25/x
3. Step 3: Cross multiply
   140,563.89x = 193,959.05 × 83,963.25
4. Step 4: Simplify right side
   140,563.89x = 16,285,431,785.10
5. Step 5: Solve for x
   x = 16,285,431,785.10/140,563.89
6. Step 6: Final answer
   x = 115,857.86