Finding the Fourth Proportional to 2,660,054.82, 3,990,642.93 and 862,798.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,054.82 : 3,990,642.93 = 862,798.44 : x
2. Step 2: Convert to fraction form
   2,660,054.82/3,990,642.93 = 862,798.44/x
3. Step 3: Cross multiply
   2,660,054.82x = 3,990,642.93 × 862,798.44
4. Step 4: Simplify right side
   2,660,054.82x = 3,443,120,494,601.03
5. Step 5: Solve for x
   x = 3,443,120,494,601.03/2,660,054.82
6. Step 6: Final answer
   x = 1,294,379.53