Finding the Fourth Proportional to 2,426,471.22, 3,640,091.31 and 807,297.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426,471.22 : 3,640,091.31 = 807,297.78 : x
2. Step 2: Convert to fraction form
   2,426,471.22/3,640,091.31 = 807,297.78/x
3. Step 3: Cross multiply
   2,426,471.22x = 3,640,091.31 × 807,297.78
4. Step 4: Simplify right side
   2,426,471.22x = 2,938,637,633,560.29
5. Step 5: Solve for x
   x = 2,938,637,633,560.29/2,426,471.22
6. Step 6: Final answer
   x = 1,211,074.59