Finding the Fourth Proportional to 8,452.35, 12,662.73 and 7,074.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,452.35 : 12,662.73 = 7,074.54 : x
2. Step 2: Convert to fraction form
   8,452.35/12,662.73 = 7,074.54/x
3. Step 3: Cross multiply
   8,452.35x = 12,662.73 × 7,074.54
4. Step 4: Simplify right side
   8,452.35x = 89,582,989.89
5. Step 5: Solve for x
   x = 89,582,989.89/8,452.35
6. Step 6: Final answer
   x = 10,598.59