Finding the Fourth Proportional to 2,083.92, 3,128.06 and 1,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.92 : 3,128.06 = 1,626.72 : x
2. Step 2: Convert to fraction form
   2,083.92/3,128.06 = 1,626.72/x
3. Step 3: Cross multiply
   2,083.92x = 3,128.06 × 1,626.72
4. Step 4: Simplify right side
   2,083.92x = 5,088,477.76
5. Step 5: Solve for x
   x = 5,088,477.76/2,083.92
6. Step 6: Final answer
   x = 2,441.78