Finding the Fourth Proportional to 9,959.91, 13,744.55 and 5,483.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,959.91 : 13,744.55 = 5,483.57 : x
2. Step 2: Convert to fraction form
   9,959.91/13,744.55 = 5,483.57/x
3. Step 3: Cross multiply
   9,959.91x = 13,744.55 × 5,483.57
4. Step 4: Simplify right side
   9,959.91x = 75,369,147.03
5. Step 5: Solve for x
   x = 75,369,147.03/9,959.91
6. Step 6: Final answer
   x = 7,567.25