Finding the Fourth Proportional to 2,629,862.10, 3,944,793.15 and 1,212,686.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,862.10 : 3,944,793.15 = 1,212,686.10 : x
2. Step 2: Convert to fraction form
   2,629,862.10/3,944,793.15 = 1,212,686.10/x
3. Step 3: Cross multiply
   2,629,862.10x = 3,944,793.15 × 1,212,686.10
4. Step 4: Simplify right side
   2,629,862.10x = 4,783,795,820,380.22
5. Step 5: Solve for x
   x = 4,783,795,820,380.22/2,629,862.10
6. Step 6: Final answer
   x = 1,819,029.15