Finding the Fourth Proportional to 2,615.27, 3,925.53 and 1,521.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.27 : 3,925.53 = 1,521.77 : x
2. Step 2: Convert to fraction form
   2,615.27/3,925.53 = 1,521.77/x
3. Step 3: Cross multiply
   2,615.27x = 3,925.53 × 1,521.77
4. Step 4: Simplify right side
   2,615.27x = 5,973,734.16
5. Step 5: Solve for x
   x = 5,973,734.16/2,615.27
6. Step 6: Final answer
   x = 2,284.18