Finding the Fourth Proportional to 7,064.57, 9,743.72 and 5,175.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,064.57 : 9,743.72 = 5,175.47 : x
2. Step 2: Convert to fraction form
   7,064.57/9,743.72 = 5,175.47/x
3. Step 3: Cross multiply
   7,064.57x = 9,743.72 × 5,175.47
4. Step 4: Simplify right side
   7,064.57x = 50,428,255.95
5. Step 5: Solve for x
   x = 50,428,255.95/7,064.57
6. Step 6: Final answer
   x = 7,138.20