Finding the Fourth Proportional to 9,940.84, 13,717.56 and 5,464.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.84 : 13,717.56 = 5,464.48 : x
2. Step 2: Convert to fraction form
   9,940.84/13,717.56 = 5,464.48/x
3. Step 3: Cross multiply
   9,940.84x = 13,717.56 × 5,464.48
4. Step 4: Simplify right side
   9,940.84x = 74,959,332.27
5. Step 5: Solve for x
   x = 74,959,332.27/9,940.84
6. Step 6: Final answer
   x = 7,540.54