Finding the Fourth Proportional to 2,055.96, 3,090.42 and 1,785.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.96 : 3,090.42 = 1,785.42 : x
2. Step 2: Convert to fraction form
   2,055.96/3,090.42 = 1,785.42/x
3. Step 3: Cross multiply
   2,055.96x = 3,090.42 × 1,785.42
4. Step 4: Simplify right side
   2,055.96x = 5,517,697.68
5. Step 5: Solve for x
   x = 5,517,697.68/2,055.96
6. Step 6: Final answer
   x = 2,683.76