Finding the Fourth Proportional to 9,631.92, 13,293.24 and 5,440.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,631.92 : 13,293.24 = 5,440.14 : x
2. Step 2: Convert to fraction form
   9,631.92/13,293.24 = 5,440.14/x
3. Step 3: Cross multiply
   9,631.92x = 13,293.24 × 5,440.14
4. Step 4: Simplify right side
   9,631.92x = 72,317,086.65
5. Step 5: Solve for x
   x = 72,317,086.65/9,631.92
6. Step 6: Final answer
   x = 7,508.07