Finding the Fourth Proportional to 3,521.25, 4,859.34 and 2,124.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.25 : 4,859.34 = 2,124.27 : x
2. Step 2: Convert to fraction form
   3,521.25/4,859.34 = 2,124.27/x
3. Step 3: Cross multiply
   3,521.25x = 4,859.34 × 2,124.27
4. Step 4: Simplify right side
   3,521.25x = 10,322,550.18
5. Step 5: Solve for x
   x = 10,322,550.18/3,521.25
6. Step 6: Final answer
   x = 2,931.50