Finding the Fourth Proportional to 5,445.78, 8,168.31 and 1,549.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,445.78 : 8,168.31 = 1,549.86 : x
2. Step 2: Convert to fraction form
   5,445.78/8,168.31 = 1,549.86/x
3. Step 3: Cross multiply
   5,445.78x = 8,168.31 × 1,549.86
4. Step 4: Simplify right side
   5,445.78x = 12,659,736.94
5. Step 5: Solve for x
   x = 12,659,736.94/5,445.78
6. Step 6: Final answer
   x = 2,324.69