Finding the Fourth Proportional to 2,658,902.26, 3,989,358.56 and 1,040,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,902.26 : 3,989,358.56 = 1,040,827.50 : x
2. Step 2: Convert to fraction form
   2,658,902.26/3,989,358.56 = 1,040,827.50/x
3. Step 3: Cross multiply
   2,658,902.26x = 3,989,358.56 × 1,040,827.50
4. Step 4: Simplify right side
   2,658,902.26x = 4,152,234,096,608.40
5. Step 5: Solve for x
   x = 4,152,234,096,608.40/2,658,902.26
6. Step 6: Final answer
   x = 1,561,634.72