Finding the Fourth Proportional to 2,550.42, 3,821.10 and 1,066.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.42 : 3,821.10 = 1,066.37 : x
2. Step 2: Convert to fraction form
   2,550.42/3,821.10 = 1,066.37/x
3. Step 3: Cross multiply
   2,550.42x = 3,821.10 × 1,066.37
4. Step 4: Simplify right side
   2,550.42x = 4,074,701.08
5. Step 5: Solve for x
   x = 4,074,701.08/2,550.42
6. Step 6: Final answer
   x = 1,597.66