Finding the Fourth Proportional to 2,073.52, 3,107.04 and 1,665.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.52 : 3,107.04 = 1,665.28 : x
2. Step 2: Convert to fraction form
   2,073.52/3,107.04 = 1,665.28/x
3. Step 3: Cross multiply
   2,073.52x = 3,107.04 × 1,665.28
4. Step 4: Simplify right side
   2,073.52x = 5,174,091.57
5. Step 5: Solve for x
   x = 5,174,091.57/2,073.52
6. Step 6: Final answer
   x = 2,495.32