Finding the Fourth Proportional to 2,521.76, 3,480.33 and 1,527.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.76 : 3,480.33 = 1,527.38 : x
2. Step 2: Convert to fraction form
   2,521.76/3,480.33 = 1,527.38/x
3. Step 3: Cross multiply
   2,521.76x = 3,480.33 × 1,527.38
4. Step 4: Simplify right side
   2,521.76x = 5,315,786.44
5. Step 5: Solve for x
   x = 5,315,786.44/2,521.76
6. Step 6: Final answer
   x = 2,107.97