Finding the Fourth Proportional to 2,066.10, 3,114.58 and 1,890.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.10 : 3,114.58 = 1,890.96 : x
2. Step 2: Convert to fraction form
   2,066.10/3,114.58 = 1,890.96/x
3. Step 3: Cross multiply
   2,066.10x = 3,114.58 × 1,890.96
4. Step 4: Simplify right side
   2,066.10x = 5,889,546.20
5. Step 5: Solve for x
   x = 5,889,546.20/2,066.10
6. Step 6: Final answer
   x = 2,850.56