Finding the Fourth Proportional to 1,614.24, 2,227.68 and 915.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.24 : 2,227.68 = 915.54 : x
2. Step 2: Convert to fraction form
   1,614.24/2,227.68 = 915.54/x
3. Step 3: Cross multiply
   1,614.24x = 2,227.68 × 915.54
4. Step 4: Simplify right side
   1,614.24x = 2,039,530.15
5. Step 5: Solve for x
   x = 2,039,530.15/1,614.24
6. Step 6: Final answer
   x = 1,263.46