Finding the Fourth Proportional to 1,614.25, 2,227.71 and 915.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.25 : 2,227.71 = 915.67 : x
2. Step 2: Convert to fraction form
   1,614.25/2,227.71 = 915.67/x
3. Step 3: Cross multiply
   1,614.25x = 2,227.71 × 915.67
4. Step 4: Simplify right side
   1,614.25x = 2,039,847.22
5. Step 5: Solve for x
   x = 2,039,847.22/1,614.25
6. Step 6: Final answer
   x = 1,263.65