Finding the Fourth Proportional to 11,440.17, 17,160.86 and 3,648.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,440.17 : 17,160.86 = 3,648.38 : x
2. Step 2: Convert to fraction form
   11,440.17/17,160.86 = 3,648.38/x
3. Step 3: Cross multiply
   11,440.17x = 17,160.86 × 3,648.38
4. Step 4: Simplify right side
   11,440.17x = 62,609,261.72
5. Step 5: Solve for x
   x = 62,609,261.72/11,440.17
6. Step 6: Final answer
   x = 5,472.76