Finding the Fourth Proportional to 11,352.72, 17,031.67 and 3,456.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,352.72 : 17,031.67 = 3,456.35 : x
2. Step 2: Convert to fraction form
   11,352.72/17,031.67 = 3,456.35/x
3. Step 3: Cross multiply
   11,352.72x = 17,031.67 × 3,456.35
4. Step 4: Simplify right side
   11,352.72x = 58,867,478.48
5. Step 5: Solve for x
   x = 58,867,478.48/11,352.72
6. Step 6: Final answer
   x = 5,185.32