Finding the Fourth Proportional to 2,700.24, 3,726.24 and 1,521.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.24 : 3,726.24 = 1,521.30 : x
2. Step 2: Convert to fraction form
   2,700.24/3,726.24 = 1,521.30/x
3. Step 3: Cross multiply
   2,700.24x = 3,726.24 × 1,521.30
4. Step 4: Simplify right side
   2,700.24x = 5,668,728.91
5. Step 5: Solve for x
   x = 5,668,728.91/2,700.24
6. Step 6: Final answer
   x = 2,099.34