Finding the Fourth Proportional to 2,700.30, 3,726.72 and 1,521.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.30 : 3,726.72 = 1,521.48 : x
2. Step 2: Convert to fraction form
   2,700.30/3,726.72 = 1,521.48/x
3. Step 3: Cross multiply
   2,700.30x = 3,726.72 × 1,521.48
4. Step 4: Simplify right side
   2,700.30x = 5,670,129.95
5. Step 5: Solve for x
   x = 5,670,129.95/2,700.30
6. Step 6: Final answer
   x = 2,099.81