Finding the Fourth Proportional to 2,766.48, 4,150.45 and 1,206.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.48 : 4,150.45 = 1,206.61 : x
2. Step 2: Convert to fraction form
   2,766.48/4,150.45 = 1,206.61/x
3. Step 3: Cross multiply
   2,766.48x = 4,150.45 × 1,206.61
4. Step 4: Simplify right side
   2,766.48x = 5,007,956.74
5. Step 5: Solve for x
   x = 5,007,956.74/2,766.48
6. Step 6: Final answer
   x = 1,810.23