Finding the Fourth Proportional to 2,264.97, 3,396.57 and 912.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.97 : 3,396.57 = 912.15 : x
2. Step 2: Convert to fraction form
   2,264.97/3,396.57 = 912.15/x
3. Step 3: Cross multiply
   2,264.97x = 3,396.57 × 912.15
4. Step 4: Simplify right side
   2,264.97x = 3,098,181.33
5. Step 5: Solve for x
   x = 3,098,181.33/2,264.97
6. Step 6: Final answer
   x = 1,367.87