Finding the Fourth Proportional to 2,543,555.18, 3,510,105.33 and 1,397,709.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543,555.18 : 3,510,105.33 = 1,397,709.33 : x
2. Step 2: Convert to fraction form
   2,543,555.18/3,510,105.33 = 1,397,709.33/x
3. Step 3: Cross multiply
   2,543,555.18x = 3,510,105.33 × 1,397,709.33
4. Step 4: Simplify right side
   2,543,555.18x = 4,906,106,969,023.73
5. Step 5: Solve for x
   x = 4,906,106,969,023.73/2,543,555.18
6. Step 6: Final answer
   x = 1,928,838.43