Finding the Fourth Proportional to 2,445.89, 3,375.27 and 1,326.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.89 : 3,375.27 = 1,326.78 : x
2. Step 2: Convert to fraction form
   2,445.89/3,375.27 = 1,326.78/x
3. Step 3: Cross multiply
   2,445.89x = 3,375.27 × 1,326.78
4. Step 4: Simplify right side
   2,445.89x = 4,478,240.73
5. Step 5: Solve for x
   x = 4,478,240.73/2,445.89
6. Step 6: Final answer
   x = 1,830.93