Finding the Fourth Proportional to 9,942.75, 13,721.23 and 5,466.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.75 : 13,721.23 = 5,466.59 : x
2. Step 2: Convert to fraction form
   9,942.75/13,721.23 = 5,466.59/x
3. Step 3: Cross multiply
   9,942.75x = 13,721.23 × 5,466.59
4. Step 4: Simplify right side
   9,942.75x = 75,008,270.10
5. Step 5: Solve for x
   x = 75,008,270.10/9,942.75
6. Step 6: Final answer
   x = 7,544.02