Finding the Fourth Proportional to 9,207.48, 12,706.27 and 5,622.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,207.48 : 12,706.27 = 5,622.42 : x
2. Step 2: Convert to fraction form
   9,207.48/12,706.27 = 5,622.42/x
3. Step 3: Cross multiply
   9,207.48x = 12,706.27 × 5,622.42
4. Step 4: Simplify right side
   9,207.48x = 71,439,986.57
5. Step 5: Solve for x
   x = 71,439,986.57/9,207.48
6. Step 6: Final answer
   x = 7,758.91