Finding the Fourth Proportional to 2,612.47, 3,916.77 and 968.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.47 : 3,916.77 = 968.71 : x
2. Step 2: Convert to fraction form
   2,612.47/3,916.77 = 968.71/x
3. Step 3: Cross multiply
   2,612.47x = 3,916.77 × 968.71
4. Step 4: Simplify right side
   2,612.47x = 3,794,214.27
5. Step 5: Solve for x
   x = 3,794,214.27/2,612.47
6. Step 6: Final answer
   x = 1,452.35