Finding the Fourth Proportional to 9,958.48, 13,743.60 and 5,483.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958.48 : 13,743.60 = 5,483.12 : x
2. Step 2: Convert to fraction form
   9,958.48/13,743.60 = 5,483.12/x
3. Step 3: Cross multiply
   9,958.48x = 13,743.60 × 5,483.12
4. Step 4: Simplify right side
   9,958.48x = 75,357,808.03
5. Step 5: Solve for x
   x = 75,357,808.03/9,958.48
6. Step 6: Final answer
   x = 7,567.20