Finding the Fourth Proportional to 9,137.96, 13,706.89 and 2,212.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,137.96 : 13,706.89 = 2,212.46 : x
2. Step 2: Convert to fraction form
   9,137.96/13,706.89 = 2,212.46/x
3. Step 3: Cross multiply
   9,137.96x = 13,706.89 × 2,212.46
4. Step 4: Simplify right side
   9,137.96x = 30,325,945.85
5. Step 5: Solve for x
   x = 30,325,945.85/9,137.96
6. Step 6: Final answer
   x = 3,318.68