Finding the Fourth Proportional to 7,084.72, 10,626.72 and 2,154.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,084.72 : 10,626.72 = 2,154.25 : x
2. Step 2: Convert to fraction form
   7,084.72/10,626.72 = 2,154.25/x
3. Step 3: Cross multiply
   7,084.72x = 10,626.72 × 2,154.25
4. Step 4: Simplify right side
   7,084.72x = 22,892,611.56
5. Step 5: Solve for x
   x = 22,892,611.56/7,084.72
6. Step 6: Final answer
   x = 3,231.27