Finding the Fourth Proportional to 9,540.56, 13,161.72 and 5,761.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.56 : 13,161.72 = 5,761.58 : x
2. Step 2: Convert to fraction form
   9,540.56/13,161.72 = 5,761.58/x
3. Step 3: Cross multiply
   9,540.56x = 13,161.72 × 5,761.58
4. Step 4: Simplify right side
   9,540.56x = 75,832,302.72
5. Step 5: Solve for x
   x = 75,832,302.72/9,540.56
6. Step 6: Final answer
   x = 7,948.41