Finding the Fourth Proportional to 11,691.72, 17,533.50 and 3,369.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,691.72 : 17,533.50 = 3,369.51 : x
2. Step 2: Convert to fraction form
   11,691.72/17,533.50 = 3,369.51/x
3. Step 3: Cross multiply
   11,691.72x = 17,533.50 × 3,369.51
4. Step 4: Simplify right side
   11,691.72x = 59,079,303.59
5. Step 5: Solve for x
   x = 59,079,303.59/11,691.72
6. Step 6: Final answer
   x = 5,053.09