Finding the Fourth Proportional to 2,517.13, 3,472.92 and 1,521.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.13 : 3,472.92 = 1,521.69 : x
2. Step 2: Convert to fraction form
   2,517.13/3,472.92 = 1,521.69/x
3. Step 3: Cross multiply
   2,517.13x = 3,472.92 × 1,521.69
4. Step 4: Simplify right side
   2,517.13x = 5,284,690.27
5. Step 5: Solve for x
   x = 5,284,690.27/2,517.13
6. Step 6: Final answer
   x = 2,099.49