Finding the Fourth Proportional to 2,150.74, 3,229.35 and 1,227.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.74 : 3,229.35 = 1,227.34 : x
2. Step 2: Convert to fraction form
   2,150.74/3,229.35 = 1,227.34/x
3. Step 3: Cross multiply
   2,150.74x = 3,229.35 × 1,227.34
4. Step 4: Simplify right side
   2,150.74x = 3,963,510.43
5. Step 5: Solve for x
   x = 3,963,510.43/2,150.74
6. Step 6: Final answer
   x = 1,842.86