Finding the Fourth Proportional to 2,047,920.57, 2,826,198.20 and 1,117,679.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047,920.57 : 2,826,198.20 = 1,117,679.21 : x
2. Step 2: Convert to fraction form
   2,047,920.57/2,826,198.20 = 1,117,679.21/x
3. Step 3: Cross multiply
   2,047,920.57x = 2,826,198.20 × 1,117,679.21
4. Step 4: Simplify right side
   2,047,920.57x = 3,158,782,951,760.04
5. Step 5: Solve for x
   x = 3,158,782,951,760.04/2,047,920.57
6. Step 6: Final answer
   x = 1,542,434.31