Finding the Fourth Proportional to 2,226.16, 3,072.54 and 1,294.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226.16 : 3,072.54 = 1,294.84 : x
2. Step 2: Convert to fraction form
   2,226.16/3,072.54 = 1,294.84/x
3. Step 3: Cross multiply
   2,226.16x = 3,072.54 × 1,294.84
4. Step 4: Simplify right side
   2,226.16x = 3,978,447.69
5. Step 5: Solve for x
   x = 3,978,447.69/2,226.16
6. Step 6: Final answer
   x = 1,787.13