Finding the Fourth Proportional to 3,716.48, 5,122.77 and 2,521.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.48 : 5,122.77 = 2,521.10 : x
2. Step 2: Convert to fraction form
   3,716.48/5,122.77 = 2,521.10/x
3. Step 3: Cross multiply
   3,716.48x = 5,122.77 × 2,521.10
4. Step 4: Simplify right side
   3,716.48x = 12,915,015.45
5. Step 5: Solve for x
   x = 12,915,015.45/3,716.48
6. Step 6: Final answer
   x = 3,475.07