Finding the Fourth Proportional to 9,696.74, 13,380.82 and 5,447.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.74 : 13,380.82 = 5,447.59 : x
2. Step 2: Convert to fraction form
   9,696.74/13,380.82 = 5,447.59/x
3. Step 3: Cross multiply
   9,696.74x = 13,380.82 × 5,447.59
4. Step 4: Simplify right side
   9,696.74x = 72,893,174.15
5. Step 5: Solve for x
   x = 72,893,174.15/9,696.74
6. Step 6: Final answer
   x = 7,517.28