Finding the Fourth Proportional to 9,540.74, 13,164.53 and 5,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.74 : 13,164.53 = 5,761.38 : x
2. Step 2: Convert to fraction form
   9,540.74/13,164.53 = 5,761.38/x
3. Step 3: Cross multiply
   9,540.74x = 13,164.53 × 5,761.38
4. Step 4: Simplify right side
   9,540.74x = 75,845,859.85
5. Step 5: Solve for x
   x = 75,845,859.85/9,540.74
6. Step 6: Final answer
   x = 7,949.68