Finding the Fourth Proportional to 9,697.38, 13,381.68 and 5,448.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.38 : 13,381.68 = 5,448.22 : x
2. Step 2: Convert to fraction form
   9,697.38/13,381.68 = 5,448.22/x
3. Step 3: Cross multiply
   9,697.38x = 13,381.68 × 5,448.22
4. Step 4: Simplify right side
   9,697.38x = 72,906,336.61
5. Step 5: Solve for x
   x = 72,906,336.61/9,697.38
6. Step 6: Final answer
   x = 7,518.15