Finding the Fourth Proportional to 5,300.56, 7,993.28 and 5,227.64

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.56 : 7,993.28 = 5,227.64 : x
2. Step 2: Convert to fraction form
   5,300.56/7,993.28 = 5,227.64/x
3. Step 3: Cross multiply
   5,300.56x = 7,993.28 × 5,227.64
4. Step 4: Simplify right side
   5,300.56x = 41,785,990.26
5. Step 5: Solve for x
   x = 41,785,990.26/5,300.56
6. Step 6: Final answer
   x = 7,883.32