Finding the Fourth Proportional to 11,131.72, 16,691.84 and 3,339.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.72 : 16,691.84 = 3,339.52 : x
2. Step 2: Convert to fraction form
   11,131.72/16,691.84 = 3,339.52/x
3. Step 3: Cross multiply
   11,131.72x = 16,691.84 × 3,339.52
4. Step 4: Simplify right side
   11,131.72x = 55,742,733.52
5. Step 5: Solve for x
   x = 55,742,733.52/11,131.72
6. Step 6: Final answer
   x = 5,007.56