Finding the Fourth Proportional to 2,131,648.83, 3,197,487 and 852,363.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,648.83 : 3,197,487 = 852,363.78 : x
2. Step 2: Convert to fraction form
   2,131,648.83/3,197,487 = 852,363.78/x
3. Step 3: Cross multiply
   2,131,648.83x = 3,197,487 × 852,363.78
4. Step 4: Simplify right side
   2,131,648.83x = 2,725,422,105,820.86
5. Step 5: Solve for x
   x = 2,725,422,105,820.86/2,131,648.83
6. Step 6: Final answer
   x = 1,278,551.17