Finding the Fourth Proportional to 3,906.93, 5,851.54 and 2,742.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.93 : 5,851.54 = 2,742.15 : x
2. Step 2: Convert to fraction form
   3,906.93/5,851.54 = 2,742.15/x
3. Step 3: Cross multiply
   3,906.93x = 5,851.54 × 2,742.15
4. Step 4: Simplify right side
   3,906.93x = 16,045,825.78
5. Step 5: Solve for x
   x = 16,045,825.78/3,906.93
6. Step 6: Final answer
   x = 4,107.01