Finding the Fourth Proportional to 2,047,789.15, 2,826,511.17 and 1,188,626.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047,789.15 : 2,826,511.17 = 1,188,626.20 : x
2. Step 2: Convert to fraction form
   2,047,789.15/2,826,511.17 = 1,188,626.20/x
3. Step 3: Cross multiply
   2,047,789.15x = 2,826,511.17 × 1,188,626.20
4. Step 4: Simplify right side
   2,047,789.15x = 3,359,665,219,731.03
5. Step 5: Solve for x
   x = 3,359,665,219,731.03/2,047,789.15
6. Step 6: Final answer
   x = 1,640,630.44