Finding the Fourth Proportional to 9,469.44, 13,065.60 and 5,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.44 : 13,065.60 = 5,742.72 : x
2. Step 2: Convert to fraction form
   9,469.44/13,065.60 = 5,742.72/x
3. Step 3: Cross multiply
   9,469.44x = 13,065.60 × 5,742.72
4. Step 4: Simplify right side
   9,469.44x = 75,032,082.43
5. Step 5: Solve for x
   x = 75,032,082.43/9,469.44
6. Step 6: Final answer
   x = 7,923.60