Finding the Fourth Proportional to 2,066.80, 3,103.40 and 1,677.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.80 : 3,103.40 = 1,677.24 : x
2. Step 2: Convert to fraction form
   2,066.80/3,103.40 = 1,677.24/x
3. Step 3: Cross multiply
   2,066.80x = 3,103.40 × 1,677.24
4. Step 4: Simplify right side
   2,066.80x = 5,205,146.62
5. Step 5: Solve for x
   x = 5,205,146.62/2,066.80
6. Step 6: Final answer
   x = 2,518.46