Finding the Fourth Proportional to 2,226.15, 3,072.42 and 1,694.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226.15 : 3,072.42 = 1,694.15 : x
2. Step 2: Convert to fraction form
   2,226.15/3,072.42 = 1,694.15/x
3. Step 3: Cross multiply
   2,226.15x = 3,072.42 × 1,694.15
4. Step 4: Simplify right side
   2,226.15x = 5,205,124.98
5. Step 5: Solve for x
   x = 5,205,124.98/2,226.15
6. Step 6: Final answer
   x = 2,338.17