Finding the Fourth Proportional to 2,146.50, 3,222.05 and 914.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.50 : 3,222.05 = 914.49 : x
2. Step 2: Convert to fraction form
   2,146.50/3,222.05 = 914.49/x
3. Step 3: Cross multiply
   2,146.50x = 3,222.05 × 914.49
4. Step 4: Simplify right side
   2,146.50x = 2,946,527.93
5. Step 5: Solve for x
   x = 2,946,527.93/2,146.50
6. Step 6: Final answer
   x = 1,372.71