Finding the Fourth Proportional to 9,867.33, 13,617.24 and 5,391.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,867.33 : 13,617.24 = 5,391.41 : x
2. Step 2: Convert to fraction form
   9,867.33/13,617.24 = 5,391.41/x
3. Step 3: Cross multiply
   9,867.33x = 13,617.24 × 5,391.41
4. Step 4: Simplify right side
   9,867.33x = 73,416,055.82
5. Step 5: Solve for x
   x = 73,416,055.82/9,867.33
6. Step 6: Final answer
   x = 7,440.32