Finding the Fourth Proportional to 2,397.10, 3,308.43 and 1,513.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.10 : 3,308.43 = 1,513.21 : x
2. Step 2: Convert to fraction form
   2,397.10/3,308.43 = 1,513.21/x
3. Step 3: Cross multiply
   2,397.10x = 3,308.43 × 1,513.21
4. Step 4: Simplify right side
   2,397.10x = 5,006,349.36
5. Step 5: Solve for x
   x = 5,006,349.36/2,397.10
6. Step 6: Final answer
   x = 2,088.50