Finding the Fourth Proportional to 5,221.37, 7,211.82 and 3,802.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,221.37 : 7,211.82 = 3,802.82 : x
2. Step 2: Convert to fraction form
   5,221.37/7,211.82 = 3,802.82/x
3. Step 3: Cross multiply
   5,221.37x = 7,211.82 × 3,802.82
4. Step 4: Simplify right side
   5,221.37x = 27,425,217.27
5. Step 5: Solve for x
   x = 27,425,217.27/5,221.37
6. Step 6: Final answer
   x = 5,252.50