Finding the Fourth Proportional to 2,913.27, 4,369.75 and 722.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913.27 : 4,369.75 = 722.01 : x
2. Step 2: Convert to fraction form
   2,913.27/4,369.75 = 722.01/x
3. Step 3: Cross multiply
   2,913.27x = 4,369.75 × 722.01
4. Step 4: Simplify right side
   2,913.27x = 3,155,017.78
5. Step 5: Solve for x
   x = 3,155,017.78/2,913.27
6. Step 6: Final answer
   x = 1,082.98