Finding the Fourth Proportional to 9,942.62, 13,720.82 and 5,466.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.62 : 13,720.82 = 5,466.44 : x
2. Step 2: Convert to fraction form
   9,942.62/13,720.82 = 5,466.44/x
3. Step 3: Cross multiply
   9,942.62x = 13,720.82 × 5,466.44
4. Step 4: Simplify right side
   9,942.62x = 75,004,046.25
5. Step 5: Solve for x
   x = 75,004,046.25/9,942.62
6. Step 6: Final answer
   x = 7,543.69