Finding the Fourth Proportional to 3,521.63, 4,859.52 and 2,105.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.63 : 4,859.52 = 2,105.04 : x
2. Step 2: Convert to fraction form
   3,521.63/4,859.52 = 2,105.04/x
3. Step 3: Cross multiply
   3,521.63x = 4,859.52 × 2,105.04
4. Step 4: Simplify right side
   3,521.63x = 10,229,466.98
5. Step 5: Solve for x
   x = 10,229,466.98/3,521.63
6. Step 6: Final answer
   x = 2,904.75