Finding the Fourth Proportional to 9,942.93, 13,721.34 and 5,466.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.93 : 13,721.34 = 5,466.71 : x
2. Step 2: Convert to fraction form
   9,942.93/13,721.34 = 5,466.71/x
3. Step 3: Cross multiply
   9,942.93x = 13,721.34 × 5,466.71
4. Step 4: Simplify right side
   9,942.93x = 75,010,559.26
5. Step 5: Solve for x
   x = 75,010,559.26/9,942.93
6. Step 6: Final answer
   x = 7,544.11