Finding the Fourth Proportional to 2,521.32, 3,480.20 and 1,527.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.32 : 3,480.20 = 1,527.04 : x
2. Step 2: Convert to fraction form
   2,521.32/3,480.20 = 1,527.04/x
3. Step 3: Cross multiply
   2,521.32x = 3,480.20 × 1,527.04
4. Step 4: Simplify right side
   2,521.32x = 5,314,404.61
5. Step 5: Solve for x
   x = 5,314,404.61/2,521.32
6. Step 6: Final answer
   x = 2,107.79