Finding the Fourth Proportional to 2,700.49, 3,726.71 and 1,521.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.49 : 3,726.71 = 1,521.64 : x
2. Step 2: Convert to fraction form
   2,700.49/3,726.71 = 1,521.64/x
3. Step 3: Cross multiply
   2,700.49x = 3,726.71 × 1,521.64
4. Step 4: Simplify right side
   2,700.49x = 5,670,692.80
5. Step 5: Solve for x
   x = 5,670,692.80/2,700.49
6. Step 6: Final answer
   x = 2,099.88