Finding the Fourth Proportional to 7,454.72, 11,174.52 and 3,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,454.72 : 11,174.52 = 3,069.20 : x
2. Step 2: Convert to fraction form
   7,454.72/11,174.52 = 3,069.20/x
3. Step 3: Cross multiply
   7,454.72x = 11,174.52 × 3,069.20
4. Step 4: Simplify right side
   7,454.72x = 34,296,836.78
5. Step 5: Solve for x
   x = 34,296,836.78/7,454.72
6. Step 6: Final answer
   x = 4,600.69