Finding the Fourth Proportional to 7,022.16, 10,533.18 and 2,861.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,022.16 : 10,533.18 = 2,861.19 : x
2. Step 2: Convert to fraction form
   7,022.16/10,533.18 = 2,861.19/x
3. Step 3: Cross multiply
   7,022.16x = 10,533.18 × 2,861.19
4. Step 4: Simplify right side
   7,022.16x = 30,137,429.28
5. Step 5: Solve for x
   x = 30,137,429.28/7,022.16
6. Step 6: Final answer
   x = 4,291.76