Finding the Fourth Proportional to 7,208.32, 10,806.72 and 2,824.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,208.32 : 10,806.72 = 2,824.96 : x
2. Step 2: Convert to fraction form
   7,208.32/10,806.72 = 2,824.96/x
3. Step 3: Cross multiply
   7,208.32x = 10,806.72 × 2,824.96
4. Step 4: Simplify right side
   7,208.32x = 30,528,551.73
5. Step 5: Solve for x
   x = 30,528,551.73/7,208.32
6. Step 6: Final answer
   x = 4,235.18