Finding the Fourth Proportional to 2,916.15, 4,373.05 and 1,271.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.15 : 4,373.05 = 1,271.53 : x
2. Step 2: Convert to fraction form
   2,916.15/4,373.05 = 1,271.53/x
3. Step 3: Cross multiply
   2,916.15x = 4,373.05 × 1,271.53
4. Step 4: Simplify right side
   2,916.15x = 5,560,464.27
5. Step 5: Solve for x
   x = 5,560,464.27/2,916.15
6. Step 6: Final answer
   x = 1,906.78