Finding the Fourth Proportional to 2,782,208.79, 4,173,911.91 and 863,081.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782,208.79 : 4,173,911.91 = 863,081.73 : x
2. Step 2: Convert to fraction form
   2,782,208.79/4,173,911.91 = 863,081.73/x
3. Step 3: Cross multiply
   2,782,208.79x = 4,173,911.91 × 863,081.73
4. Step 4: Simplify right side
   2,782,208.79x = 3,602,427,112,150.40
5. Step 5: Solve for x
   x = 3,602,427,112,150.40/2,782,208.79
6. Step 6: Final answer
   x = 1,294,808.33