Finding the Fourth Proportional to 2,245,422.43, 3,098,686.31 and 1,278,553.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,422.43 : 3,098,686.31 = 1,278,553.51 : x
2. Step 2: Convert to fraction form
   2,245,422.43/3,098,686.31 = 1,278,553.51/x
3. Step 3: Cross multiply
   2,245,422.43x = 3,098,686.31 × 1,278,553.51
4. Step 4: Simplify right side
   2,245,422.43x = 3,961,836,260,314.61
5. Step 5: Solve for x
   x = 3,961,836,260,314.61/2,245,422.43
6. Step 6: Final answer
   x = 1,764,405.76