Finding the Fourth Proportional to 2,766.51, 4,149.50 and 1,776.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.51 : 4,149.50 = 1,776.71 : x
2. Step 2: Convert to fraction form
   2,766.51/4,149.50 = 1,776.71/x
3. Step 3: Cross multiply
   2,766.51x = 4,149.50 × 1,776.71
4. Step 4: Simplify right side
   2,766.51x = 7,372,459.64
5. Step 5: Solve for x
   x = 7,372,459.64/2,766.51
6. Step 6: Final answer
   x = 2,664.90