Finding the Fourth Proportional to 11,431.52, 17,144.68 and 5,505.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,431.52 : 17,144.68 = 5,505.38 : x
2. Step 2: Convert to fraction form
   11,431.52/17,144.68 = 5,505.38/x
3. Step 3: Cross multiply
   11,431.52x = 17,144.68 × 5,505.38
4. Step 4: Simplify right side
   11,431.52x = 94,387,978.38
5. Step 5: Solve for x
   x = 94,387,978.38/11,431.52
6. Step 6: Final answer
   x = 8,256.82