Finding the Fourth Proportional to 1,614.43, 2,227.78 and 906.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.43 : 2,227.78 = 906.24 : x
2. Step 2: Convert to fraction form
   1,614.43/2,227.78 = 906.24/x
3. Step 3: Cross multiply
   1,614.43x = 2,227.78 × 906.24
4. Step 4: Simplify right side
   1,614.43x = 2,018,897.75
5. Step 5: Solve for x
   x = 2,018,897.75/1,614.43
6. Step 6: Final answer
   x = 1,250.53