Finding the Fourth Proportional to 2,852,105.72, 4,278,168.35 and 722,188.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,852,105.72 : 4,278,168.35 = 722,188.85 : x
2. Step 2: Convert to fraction form
   2,852,105.72/4,278,168.35 = 722,188.85/x
3. Step 3: Cross multiply
   2,852,105.72x = 4,278,168.35 × 722,188.85
4. Step 4: Simplify right side
   2,852,105.72x = 3,089,645,480,792.90
5. Step 5: Solve for x
   x = 3,089,645,480,792.90/2,852,105.72
6. Step 6: Final answer
   x = 1,083,285.75