Finding the Fourth Proportional to 9,632.40, 13,292.06 and 5,440.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,632.40 : 13,292.06 = 5,440.38 : x
2. Step 2: Convert to fraction form
   9,632.40/13,292.06 = 5,440.38/x
3. Step 3: Cross multiply
   9,632.40x = 13,292.06 × 5,440.38
4. Step 4: Simplify right side
   9,632.40x = 72,313,857.38
5. Step 5: Solve for x
   x = 72,313,857.38/9,632.40
6. Step 6: Final answer
   x = 7,507.36