Finding the Fourth Proportional to 11,414.89, 17,128.54 and 5,174.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,414.89 : 17,128.54 = 5,174.42 : x
2. Step 2: Convert to fraction form
   11,414.89/17,128.54 = 5,174.42/x
3. Step 3: Cross multiply
   11,414.89x = 17,128.54 × 5,174.42
4. Step 4: Simplify right side
   11,414.89x = 88,630,238.48
5. Step 5: Solve for x
   x = 88,630,238.48/11,414.89
6. Step 6: Final answer
   x = 7,764.44