Finding the Fourth Proportional to 2,046.40, 3,066.90 and 1,814.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.40 : 3,066.90 = 1,814.20 : x
2. Step 2: Convert to fraction form
   2,046.40/3,066.90 = 1,814.20/x
3. Step 3: Cross multiply
   2,046.40x = 3,066.90 × 1,814.20
4. Step 4: Simplify right side
   2,046.40x = 5,563,969.98
5. Step 5: Solve for x
   x = 5,563,969.98/2,046.40
6. Step 6: Final answer
   x = 2,718.91