Finding the Fourth Proportional to 2,575,233.10, 3,862,830.45 and 778,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,233.10 : 3,862,830.45 = 778,113.10 : x
2. Step 2: Convert to fraction form
   2,575,233.10/3,862,830.45 = 778,113.10/x
3. Step 3: Cross multiply
   2,575,233.10x = 3,862,830.45 × 778,113.10
4. Step 4: Simplify right side
   2,575,233.10x = 3,005,718,976,223.90
5. Step 5: Solve for x
   x = 3,005,718,976,223.90/2,575,233.10
6. Step 6: Final answer
   x = 1,167,163.85