Finding the Fourth Proportional to 11,440.50, 17,160.18 and 3,648.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,440.50 : 17,160.18 = 3,648.30 : x
2. Step 2: Convert to fraction form
   11,440.50/17,160.18 = 3,648.30/x
3. Step 3: Cross multiply
   11,440.50x = 17,160.18 × 3,648.30
4. Step 4: Simplify right side
   11,440.50x = 62,605,484.69
5. Step 5: Solve for x
   x = 62,605,484.69/11,440.50
6. Step 6: Final answer
   x = 5,472.27