Finding the Fourth Proportional to 9,790.25, 14,686.72 and 3,217.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.25 : 14,686.72 = 3,217.10 : x
2. Step 2: Convert to fraction form
   9,790.25/14,686.72 = 3,217.10/x
3. Step 3: Cross multiply
   9,790.25x = 14,686.72 × 3,217.10
4. Step 4: Simplify right side
   9,790.25x = 47,248,565.44
5. Step 5: Solve for x
   x = 47,248,565.44/9,790.25
6. Step 6: Final answer
   x = 4,826.09