Finding the Fourth Proportional to 5,380.26, 8,022.26 and 5,298.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,380.26 : 8,022.26 = 5,298.27 : x
2. Step 2: Convert to fraction form
   5,380.26/8,022.26 = 5,298.27/x
3. Step 3: Cross multiply
   5,380.26x = 8,022.26 × 5,298.27
4. Step 4: Simplify right side
   5,380.26x = 42,504,073.00
5. Step 5: Solve for x
   x = 42,504,073.00/5,380.26
6. Step 6: Final answer
   x = 7,900.00