Finding the Fourth Proportional to 140,085.46, 209,819.31 and 115,793.83

Step by Step Solution

1. Step 1: Write the proportion equation
   140,085.46 : 209,819.31 = 115,793.83 : x
2. Step 2: Convert to fraction form
   140,085.46/209,819.31 = 115,793.83/x
3. Step 3: Cross multiply
   140,085.46x = 209,819.31 × 115,793.83
4. Step 4: Simplify right side
   140,085.46x = 24,295,781,512.86
5. Step 5: Solve for x
   x = 24,295,781,512.86/140,085.46
6. Step 6: Final answer
   x = 173,435.43