Finding the Fourth Proportional to 11,833.49, 17,747.17 and 3,511.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,833.49 : 17,747.17 = 3,511.55 : x
2. Step 2: Convert to fraction form
   11,833.49/17,747.17 = 3,511.55/x
3. Step 3: Cross multiply
   11,833.49x = 17,747.17 × 3,511.55
4. Step 4: Simplify right side
   11,833.49x = 62,320,110.40
5. Step 5: Solve for x
   x = 62,320,110.40/11,833.49
6. Step 6: Final answer
   x = 5,266.42