Finding the Fourth Proportional to 9,479.72, 14,208.99 and 3,550.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,479.72 : 14,208.99 = 3,550.91 : x
2. Step 2: Convert to fraction form
   9,479.72/14,208.99 = 3,550.91/x
3. Step 3: Cross multiply
   9,479.72x = 14,208.99 × 3,550.91
4. Step 4: Simplify right side
   9,479.72x = 50,454,760.32
5. Step 5: Solve for x
   x = 50,454,760.32/9,479.72
6. Step 6: Final answer
   x = 5,322.39