Finding the Fourth Proportional to 2,660,097.47, 3,990,706.71 and 862,840.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,097.47 : 3,990,706.71 = 862,840.83 : x
2. Step 2: Convert to fraction form
   2,660,097.47/3,990,706.71 = 862,840.83/x
3. Step 3: Cross multiply
   2,660,097.47x = 3,990,706.71 × 862,840.83
4. Step 4: Simplify right side
   2,660,097.47x = 3,443,344,669,989.44
5. Step 5: Solve for x
   x = 3,443,344,669,989.44/2,660,097.47
6. Step 6: Final answer
   x = 1,294,443.04