Finding the Fourth Proportional to 1,614.56, 2,227.98 and 916.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.56 : 2,227.98 = 916.04 : x
2. Step 2: Convert to fraction form
   1,614.56/2,227.98 = 916.04/x
3. Step 3: Cross multiply
   1,614.56x = 2,227.98 × 916.04
4. Step 4: Simplify right side
   1,614.56x = 2,040,918.80
5. Step 5: Solve for x
   x = 2,040,918.80/1,614.56
6. Step 6: Final answer
   x = 1,264.07