Finding the Fourth Proportional to 2,700.42, 3,726.57 and 1,521.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.42 : 3,726.57 = 1,521.46 : x
2. Step 2: Convert to fraction form
   2,700.42/3,726.57 = 1,521.46/x
3. Step 3: Cross multiply
   2,700.42x = 3,726.57 × 1,521.46
4. Step 4: Simplify right side
   2,700.42x = 5,669,827.19
5. Step 5: Solve for x
   x = 5,669,827.19/2,700.42
6. Step 6: Final answer
   x = 2,099.61