Finding the Fourth Proportional to 1,614.30, 2,227.55 and 906.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.30 : 2,227.55 = 906.00 : x
2. Step 2: Convert to fraction form
   1,614.30/2,227.55 = 906.00/x
3. Step 3: Cross multiply
   1,614.30x = 2,227.55 × 906.00
4. Step 4: Simplify right side
   1,614.30x = 2,018,149.16
5. Step 5: Solve for x
   x = 2,018,149.16/1,614.30
6. Step 6: Final answer
   x = 1,250.17