Finding the Fourth Proportional to 7,574.31, 10,452.42 and 4,217.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,574.31 : 10,452.42 = 4,217.11 : x
2. Step 2: Convert to fraction form
   7,574.31/10,452.42 = 4,217.11/x
3. Step 3: Cross multiply
   7,574.31x = 10,452.42 × 4,217.11
4. Step 4: Simplify right side
   7,574.31x = 44,078,978.78
5. Step 5: Solve for x
   x = 44,078,978.78/7,574.31
6. Step 6: Final answer
   x = 5,819.54