Finding the Fourth Proportional to 9,064.85, 12,504.44 and 5,706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.85 : 12,504.44 = 5,706.42 : x
2. Step 2: Convert to fraction form
   9,064.85/12,504.44 = 5,706.42/x
3. Step 3: Cross multiply
   9,064.85x = 12,504.44 × 5,706.42
4. Step 4: Simplify right side
   9,064.85x = 71,355,586.50
5. Step 5: Solve for x
   x = 71,355,586.50/9,064.85
6. Step 6: Final answer
   x = 7,871.68