Finding the Fourth Proportional to 7,574.72, 11,304.50 and 7,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,574.72 : 11,304.50 = 7,073.39 : x
2. Step 2: Convert to fraction form
   7,574.72/11,304.50 = 7,073.39/x
3. Step 3: Cross multiply
   7,574.72x = 11,304.50 × 7,073.39
4. Step 4: Simplify right side
   7,574.72x = 79,961,130.15
5. Step 5: Solve for x
   x = 79,961,130.15/7,574.72
6. Step 6: Final answer
   x = 10,556.32