Finding the Fourth Proportional to 9,940.43, 13,718.06 and 5,464.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.43 : 13,718.06 = 5,464.23 : x
2. Step 2: Convert to fraction form
   9,940.43/13,718.06 = 5,464.23/x
3. Step 3: Cross multiply
   9,940.43x = 13,718.06 × 5,464.23
4. Step 4: Simplify right side
   9,940.43x = 74,958,607.67
5. Step 5: Solve for x
   x = 74,958,607.67/9,940.43
6. Step 6: Final answer
   x = 7,540.78