Finding the Fourth Proportional to 5,317.28, 7,330.29 and 3,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,317.28 : 7,330.29 = 3,824.72 : x
2. Step 2: Convert to fraction form
   5,317.28/7,330.29 = 3,824.72/x
3. Step 3: Cross multiply
   5,317.28x = 7,330.29 × 3,824.72
4. Step 4: Simplify right side
   5,317.28x = 28,036,306.77
5. Step 5: Solve for x
   x = 28,036,306.77/5,317.28
6. Step 6: Final answer
   x = 5,272.68