Finding the Fourth Proportional to 7,221.30, 10,824.82 and 3,472.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221.30 : 10,824.82 = 3,472.03 : x
2. Step 2: Convert to fraction form
   7,221.30/10,824.82 = 3,472.03/x
3. Step 3: Cross multiply
   7,221.30x = 10,824.82 × 3,472.03
4. Step 4: Simplify right side
   7,221.30x = 37,584,099.78
5. Step 5: Solve for x
   x = 37,584,099.78/7,221.30
6. Step 6: Final answer
   x = 5,204.62