Finding the Fourth Proportional to 2,072.38, 3,107.15 and 1,084.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.38 : 3,107.15 = 1,084.59 : x
2. Step 2: Convert to fraction form
   2,072.38/3,107.15 = 1,084.59/x
3. Step 3: Cross multiply
   2,072.38x = 3,107.15 × 1,084.59
4. Step 4: Simplify right side
   2,072.38x = 3,369,983.82
5. Step 5: Solve for x
   x = 3,369,983.82/2,072.38
6. Step 6: Final answer
   x = 1,626.14