Finding the Fourth Proportional to 5,371.82, 8,013.11 and 5,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,371.82 : 8,013.11 = 5,282.72 : x
2. Step 2: Convert to fraction form
   5,371.82/8,013.11 = 5,282.72/x
3. Step 3: Cross multiply
   5,371.82x = 8,013.11 × 5,282.72
4. Step 4: Simplify right side
   5,371.82x = 42,331,016.46
5. Step 5: Solve for x
   x = 42,331,016.46/5,371.82
6. Step 6: Final answer
   x = 7,880.20