Finding the Fourth Proportional to 9,696.38, 13,380.30 and 5,447.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.38 : 13,380.30 = 5,447.22 : x
2. Step 2: Convert to fraction form
   9,696.38/13,380.30 = 5,447.22/x
3. Step 3: Cross multiply
   9,696.38x = 13,380.30 × 5,447.22
4. Step 4: Simplify right side
   9,696.38x = 72,885,387.59
5. Step 5: Solve for x
   x = 72,885,387.59/9,696.38
6. Step 6: Final answer
   x = 7,516.77