Finding the Fourth Proportional to 2,521.93, 3,480.30 and 1,527.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.93 : 3,480.30 = 1,527.30 : x
2. Step 2: Convert to fraction form
   2,521.93/3,480.30 = 1,527.30/x
3. Step 3: Cross multiply
   2,521.93x = 3,480.30 × 1,527.30
4. Step 4: Simplify right side
   2,521.93x = 5,315,458.37
5. Step 5: Solve for x
   x = 5,315,458.37/2,521.93
6. Step 6: Final answer
   x = 2,107.69