Finding the Fourth Proportional to 140,057.30, 193,300.73 and 82,702.77

Step by Step Solution

1. Step 1: Write the proportion equation
   140,057.30 : 193,300.73 = 82,702.77 : x
2. Step 2: Convert to fraction form
   140,057.30/193,300.73 = 82,702.77/x
3. Step 3: Cross multiply
   140,057.30x = 193,300.73 × 82,702.77
4. Step 4: Simplify right side
   140,057.30x = 15,986,506,073.08
5. Step 5: Solve for x
   x = 15,986,506,073.08/140,057.30
6. Step 6: Final answer
   x = 114,142.61