Finding the Fourth Proportional to 2,912.59, 4,367.33 and 1,157.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.59 : 4,367.33 = 1,157.53 : x
2. Step 2: Convert to fraction form
   2,912.59/4,367.33 = 1,157.53/x
3. Step 3: Cross multiply
   2,912.59x = 4,367.33 × 1,157.53
4. Step 4: Simplify right side
   2,912.59x = 5,055,294.94
5. Step 5: Solve for x
   x = 5,055,294.94/2,912.59
6. Step 6: Final answer
   x = 1,735.67