Finding the Fourth Proportional to 3,710.24, 5,569.74 and 1,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.24 : 5,569.74 = 1,520.72 : x
2. Step 2: Convert to fraction form
   3,710.24/5,569.74 = 1,520.72/x
3. Step 3: Cross multiply
   3,710.24x = 5,569.74 × 1,520.72
4. Step 4: Simplify right side
   3,710.24x = 8,470,015.01
5. Step 5: Solve for x
   x = 8,470,015.01/3,710.24
6. Step 6: Final answer
   x = 2,282.88