Finding the Fourth Proportional to 9,943.31, 13,721.42 and 5,467.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.31 : 13,721.42 = 5,467.03 : x
2. Step 2: Convert to fraction form
   9,943.31/13,721.42 = 5,467.03/x
3. Step 3: Cross multiply
   9,943.31x = 13,721.42 × 5,467.03
4. Step 4: Simplify right side
   9,943.31x = 75,015,425.10
5. Step 5: Solve for x
   x = 75,015,425.10/9,943.31
6. Step 6: Final answer
   x = 7,544.31