Finding the Fourth Proportional to 140,141.79, 193,395.54 and 83,553.15

Step by Step Solution

1. Step 1: Write the proportion equation
   140,141.79 : 193,395.54 = 83,553.15 : x
2. Step 2: Convert to fraction form
   140,141.79/193,395.54 = 83,553.15/x
3. Step 3: Cross multiply
   140,141.79x = 193,395.54 × 83,553.15
4. Step 4: Simplify right side
   140,141.79x = 16,158,806,562.95
5. Step 5: Solve for x
   x = 16,158,806,562.95/140,141.79
6. Step 6: Final answer
   x = 115,303.27