Finding the Fourth Proportional to 3,738.22, 5,158.29 and 2,144.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.22 : 5,158.29 = 2,144.78 : x
2. Step 2: Convert to fraction form
   3,738.22/5,158.29 = 2,144.78/x
3. Step 3: Cross multiply
   3,738.22x = 5,158.29 × 2,144.78
4. Step 4: Simplify right side
   3,738.22x = 11,063,418.16
5. Step 5: Solve for x
   x = 11,063,418.16/3,738.22
6. Step 6: Final answer
   x = 2,959.54