Finding the Fourth Proportional to 11,691.72, 17,537.94 and 5,114.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,691.72 : 17,537.94 = 5,114.52 : x
2. Step 2: Convert to fraction form
   11,691.72/17,537.94 = 5,114.52/x
3. Step 3: Cross multiply
   11,691.72x = 17,537.94 × 5,114.52
4. Step 4: Simplify right side
   11,691.72x = 89,698,144.89
5. Step 5: Solve for x
   x = 89,698,144.89/11,691.72
6. Step 6: Final answer
   x = 7,671.94