Finding the Fourth Proportional to 3,906.43, 5,860.33 and 2,521.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.43 : 5,860.33 = 2,521.10 : x
2. Step 2: Convert to fraction form
   3,906.43/5,860.33 = 2,521.10/x
3. Step 3: Cross multiply
   3,906.43x = 5,860.33 × 2,521.10
4. Step 4: Simplify right side
   3,906.43x = 14,774,450.71
5. Step 5: Solve for x
   x = 14,774,450.71/3,906.43
6. Step 6: Final answer
   x = 3,782.09