Finding the Fourth Proportional to 2,286,763.98, 3,155,738.85 and 1,254,280.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,763.98 : 3,155,738.85 = 1,254,280.20 : x
2. Step 2: Convert to fraction form
   2,286,763.98/3,155,738.85 = 1,254,280.20/x
3. Step 3: Cross multiply
   2,286,763.98x = 3,155,738.85 × 1,254,280.20
4. Step 4: Simplify right side
   2,286,763.98x = 3,958,180,755,925.77
5. Step 5: Solve for x
   x = 3,958,180,755,925.77/2,286,763.98
6. Step 6: Final answer
   x = 1,730,909.18