Finding the Fourth Proportional to 9,691.24, 13,372.81 and 5,441.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691.24 : 13,372.81 = 5,441.74 : x
2. Step 2: Convert to fraction form
   9,691.24/13,372.81 = 5,441.74/x
3. Step 3: Cross multiply
   9,691.24x = 13,372.81 × 5,441.74
4. Step 4: Simplify right side
   9,691.24x = 72,771,355.09
5. Step 5: Solve for x
   x = 72,771,355.09/9,691.24
6. Step 6: Final answer
   x = 7,508.98