Finding the Fourth Proportional to 2,227.34, 3,339.78 and 912.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.34 : 3,339.78 = 912.02 : x
2. Step 2: Convert to fraction form
   2,227.34/3,339.78 = 912.02/x
3. Step 3: Cross multiply
   2,227.34x = 3,339.78 × 912.02
4. Step 4: Simplify right side
   2,227.34x = 3,045,946.16
5. Step 5: Solve for x
   x = 3,045,946.16/2,227.34
6. Step 6: Final answer
   x = 1,367.53