Finding the Fourth Proportional to 7,022.96, 10,528.18 and 3,322.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,022.96 : 10,528.18 = 3,322.88 : x
2. Step 2: Convert to fraction form
   7,022.96/10,528.18 = 3,322.88/x
3. Step 3: Cross multiply
   7,022.96x = 10,528.18 × 3,322.88
4. Step 4: Simplify right side
   7,022.96x = 34,983,878.76
5. Step 5: Solve for x
   x = 34,983,878.76/7,022.96
6. Step 6: Final answer
   x = 4,981.36