Finding the Fourth Proportional to 2,766.91, 4,151.12 and 1,206.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.91 : 4,151.12 = 1,206.62 : x
2. Step 2: Convert to fraction form
   2,766.91/4,151.12 = 1,206.62/x
3. Step 3: Cross multiply
   2,766.91x = 4,151.12 × 1,206.62
4. Step 4: Simplify right side
   2,766.91x = 5,008,835.05
5. Step 5: Solve for x
   x = 5,008,835.05/2,766.91
6. Step 6: Final answer
   x = 1,810.26