Finding the Fourth Proportional to 9,743.12, 13,443.90 and 5,550.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,743.12 : 13,443.90 = 5,550.56 : x
2. Step 2: Convert to fraction form
   9,743.12/13,443.90 = 5,550.56/x
3. Step 3: Cross multiply
   9,743.12x = 13,443.90 × 5,550.56
4. Step 4: Simplify right side
   9,743.12x = 74,621,173.58
5. Step 5: Solve for x
   x = 74,621,173.58/9,743.12
6. Step 6: Final answer
   x = 7,658.86