Finding the Fourth Proportional to 2,606.24, 3,915.24 and 1,513.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.24 : 3,915.24 = 1,513.28 : x
2. Step 2: Convert to fraction form
   2,606.24/3,915.24 = 1,513.28/x
3. Step 3: Cross multiply
   2,606.24x = 3,915.24 × 1,513.28
4. Step 4: Simplify right side
   2,606.24x = 5,924,854.39
5. Step 5: Solve for x
   x = 5,924,854.39/2,606.24
6. Step 6: Final answer
   x = 2,273.33