Finding the Fourth Proportional to 1,614.02, 2,227.31 and 905.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.02 : 2,227.31 = 905.86 : x
2. Step 2: Convert to fraction form
   1,614.02/2,227.31 = 905.86/x
3. Step 3: Cross multiply
   1,614.02x = 2,227.31 × 905.86
4. Step 4: Simplify right side
   1,614.02x = 2,017,631.04
5. Step 5: Solve for x
   x = 2,017,631.04/1,614.02
6. Step 6: Final answer
   x = 1,250.07