Finding the Fourth Proportional to 7,216.58, 10,828.47 and 3,323.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,216.58 : 10,828.47 = 3,323.72 : x
2. Step 2: Convert to fraction form
   7,216.58/10,828.47 = 3,323.72/x
3. Step 3: Cross multiply
   7,216.58x = 10,828.47 × 3,323.72
4. Step 4: Simplify right side
   7,216.58x = 35,990,802.31
5. Step 5: Solve for x
   x = 35,990,802.31/7,216.58
6. Step 6: Final answer
   x = 4,987.24