Finding the Fourth Proportional to 2,591,863.88, 3,887,352.80 and 698,162.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,863.88 : 3,887,352.80 = 698,162.46 : x
2. Step 2: Convert to fraction form
   2,591,863.88/3,887,352.80 = 698,162.46/x
3. Step 3: Cross multiply
   2,591,863.88x = 3,887,352.80 × 698,162.46
4. Step 4: Simplify right side
   2,591,863.88x = 2,714,003,793,735.89
5. Step 5: Solve for x
   x = 2,714,003,793,735.89/2,591,863.88
6. Step 6: Final answer
   x = 1,047,124.36