Finding the Fourth Proportional to 2,785.01, 3,843.20 and 1,665.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.01 : 3,843.20 = 1,665.29 : x
2. Step 2: Convert to fraction form
   2,785.01/3,843.20 = 1,665.29/x
3. Step 3: Cross multiply
   2,785.01x = 3,843.20 × 1,665.29
4. Step 4: Simplify right side
   2,785.01x = 6,400,019.15
5. Step 5: Solve for x
   x = 6,400,019.15/2,785.01
6. Step 6: Final answer
   x = 2,298.03