Finding the Fourth Proportional to 7,223.87, 9,962.27 and 5,545.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,223.87 : 9,962.27 = 5,545.34 : x
2. Step 2: Convert to fraction form
   7,223.87/9,962.27 = 5,545.34/x
3. Step 3: Cross multiply
   7,223.87x = 9,962.27 × 5,545.34
4. Step 4: Simplify right side
   7,223.87x = 55,244,171.50
5. Step 5: Solve for x
   x = 55,244,171.50/7,223.87
6. Step 6: Final answer
   x = 7,647.45