Finding the Fourth Proportional to 2,658,898.92, 3,989,353.55 and 1,040,824.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,898.92 : 3,989,353.55 = 1,040,824.15 : x
2. Step 2: Convert to fraction form
   2,658,898.92/3,989,353.55 = 1,040,824.15/x
3. Step 3: Cross multiply
   2,658,898.92x = 3,989,353.55 × 1,040,824.15
4. Step 4: Simplify right side
   2,658,898.92x = 4,152,215,517,728.23
5. Step 5: Solve for x
   x = 4,152,215,517,728.23/2,658,898.92
6. Step 6: Final answer
   x = 1,561,629.70