Finding the Fourth Proportional to 2,508.45, 3,760.77 and 1,521.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.45 : 3,760.77 = 1,521.06 : x
2. Step 2: Convert to fraction form
   2,508.45/3,760.77 = 1,521.06/x
3. Step 3: Cross multiply
   2,508.45x = 3,760.77 × 1,521.06
4. Step 4: Simplify right side
   2,508.45x = 5,720,356.82
5. Step 5: Solve for x
   x = 5,720,356.82/2,508.45
6. Step 6: Final answer
   x = 2,280.43