Finding the Fourth Proportional to 2,066.55, 2,851.50 and 1,269.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.55 : 2,851.50 = 1,269.61 : x
2. Step 2: Convert to fraction form
   2,066.55/2,851.50 = 1,269.61/x
3. Step 3: Cross multiply
   2,066.55x = 2,851.50 × 1,269.61
4. Step 4: Simplify right side
   2,066.55x = 3,620,292.92
5. Step 5: Solve for x
   x = 3,620,292.92/2,066.55
6. Step 6: Final answer
   x = 1,751.85