Finding the Fourth Proportional to 2,915.67, 4,370.39 and 1,158.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.67 : 4,370.39 = 1,158.24 : x
2. Step 2: Convert to fraction form
   2,915.67/4,370.39 = 1,158.24/x
3. Step 3: Cross multiply
   2,915.67x = 4,370.39 × 1,158.24
4. Step 4: Simplify right side
   2,915.67x = 5,061,975.45
5. Step 5: Solve for x
   x = 5,061,975.45/2,915.67
6. Step 6: Final answer
   x = 1,736.13