Finding the Fourth Proportional to 10,221.24, 15,333.12 and 3,648.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.24 : 15,333.12 = 3,648.12 : x
2. Step 2: Convert to fraction form
   10,221.24/15,333.12 = 3,648.12/x
3. Step 3: Cross multiply
   10,221.24x = 15,333.12 × 3,648.12
4. Step 4: Simplify right side
   10,221.24x = 55,937,061.73
5. Step 5: Solve for x
   x = 55,937,061.73/10,221.24
6. Step 6: Final answer
   x = 5,472.63