Finding the Fourth Proportional to 2,659,863.00, 3,990,354.91 and 862,606.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,863.00 : 3,990,354.91 = 862,606.33 : x
2. Step 2: Convert to fraction form
   2,659,863.00/3,990,354.91 = 862,606.33/x
3. Step 3: Cross multiply
   2,659,863.00x = 3,990,354.91 × 862,606.33
4. Step 4: Simplify right side
   2,659,863.00x = 3,442,105,384,360.81
5. Step 5: Solve for x
   x = 3,442,105,384,360.81/2,659,863.00
6. Step 6: Final answer
   x = 1,294,091.23