Finding the Fourth Proportional to 9,943.71, 13,721.91 and 5,467.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.71 : 13,721.91 = 5,467.05 : x
2. Step 2: Convert to fraction form
   9,943.71/13,721.91 = 5,467.05/x
3. Step 3: Cross multiply
   9,943.71x = 13,721.91 × 5,467.05
4. Step 4: Simplify right side
   9,943.71x = 75,018,368.07
5. Step 5: Solve for x
   x = 75,018,368.07/9,943.71
6. Step 6: Final answer
   x = 7,544.30