Finding the Fourth Proportional to 2,660,099.47, 3,990,709.71 and 862,842.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,099.47 : 3,990,709.71 = 862,842.83 : x
2. Step 2: Convert to fraction form
   2,660,099.47/3,990,709.71 = 862,842.83/x
3. Step 3: Cross multiply
   2,660,099.47x = 3,990,709.71 × 862,842.83
4. Step 4: Simplify right side
   2,660,099.47x = 3,443,355,259,884.88
5. Step 5: Solve for x
   x = 3,443,355,259,884.88/2,660,099.47
6. Step 6: Final answer
   x = 1,294,446.05