Finding the Fourth Proportional to 2,700.24, 3,726.54 and 1,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.24 : 3,726.54 = 1,521.42 : x
2. Step 2: Convert to fraction form
   2,700.24/3,726.54 = 1,521.42/x
3. Step 3: Cross multiply
   2,700.24x = 3,726.54 × 1,521.42
4. Step 4: Simplify right side
   2,700.24x = 5,669,632.49
5. Step 5: Solve for x
   x = 5,669,632.49/2,700.24
6. Step 6: Final answer
   x = 2,099.68