Finding the Fourth Proportional to 2,513.05, 3,469.20 and 1,675.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.05 : 3,469.20 = 1,675.15 : x
2. Step 2: Convert to fraction form
   2,513.05/3,469.20 = 1,675.15/x
3. Step 3: Cross multiply
   2,513.05x = 3,469.20 × 1,675.15
4. Step 4: Simplify right side
   2,513.05x = 5,811,404.66
5. Step 5: Solve for x
   x = 5,811,404.66/2,513.05
6. Step 6: Final answer
   x = 2,312.50