Finding the Fourth Proportional to 2,066.31, 2,849.58 and 1,854.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.31 : 2,849.58 = 1,854.23 : x
2. Step 2: Convert to fraction form
   2,066.31/2,849.58 = 1,854.23/x
3. Step 3: Cross multiply
   2,066.31x = 2,849.58 × 1,854.23
4. Step 4: Simplify right side
   2,066.31x = 5,283,762.48
5. Step 5: Solve for x
   x = 5,283,762.48/2,066.31
6. Step 6: Final answer
   x = 2,557.10