Finding the Fourth Proportional to 2,608.43, 3,913.54 and 1,147.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.43 : 3,913.54 = 1,147.37 : x
2. Step 2: Convert to fraction form
   2,608.43/3,913.54 = 1,147.37/x
3. Step 3: Cross multiply
   2,608.43x = 3,913.54 × 1,147.37
4. Step 4: Simplify right side
   2,608.43x = 4,490,255.95
5. Step 5: Solve for x
   x = 4,490,255.95/2,608.43
6. Step 6: Final answer
   x = 1,721.44