Finding the Fourth Proportional to 2,078,414.10, 3,117,718.35 and 658,581.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,414.10 : 3,117,718.35 = 658,581.30 : x
2. Step 2: Convert to fraction form
   2,078,414.10/3,117,718.35 = 658,581.30/x
3. Step 3: Cross multiply
   2,078,414.10x = 3,117,718.35 × 658,581.30
4. Step 4: Simplify right side
   2,078,414.10x = 2,053,271,003,976.86
5. Step 5: Solve for x
   x = 2,053,271,003,976.86/2,078,414.10
6. Step 6: Final answer
   x = 987,902.75