Finding the Fourth Proportional to 2,852,105.97, 4,278,168.72 and 722,189.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,852,105.97 : 4,278,168.72 = 722,189.10 : x
2. Step 2: Convert to fraction form
   2,852,105.97/4,278,168.72 = 722,189.10/x
3. Step 3: Cross multiply
   2,852,105.97x = 4,278,168.72 × 722,189.10
4. Step 4: Simplify right side
   2,852,105.97x = 3,089,646,817,544.95
5. Step 5: Solve for x
   x = 3,089,646,817,544.95/2,852,105.97
6. Step 6: Final answer
   x = 1,083,286.12