Finding the Fourth Proportional to 9,670.73, 13,344.60 and 5,691.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,670.73 : 13,344.60 = 5,691.60 : x
2. Step 2: Convert to fraction form
   9,670.73/13,344.60 = 5,691.60/x
3. Step 3: Cross multiply
   9,670.73x = 13,344.60 × 5,691.60
4. Step 4: Simplify right side
   9,670.73x = 75,952,114.69
5. Step 5: Solve for x
   x = 75,952,114.69/9,670.73
6. Step 6: Final answer
   x = 7,853.82