Finding the Fourth Proportional to 2,709.82, 4,041.83 and 2,627.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.82 : 4,041.83 = 2,627.78 : x
2. Step 2: Convert to fraction form
   2,709.82/4,041.83 = 2,627.78/x
3. Step 3: Cross multiply
   2,709.82x = 4,041.83 × 2,627.78
4. Step 4: Simplify right side
   2,709.82x = 10,621,051.78
5. Step 5: Solve for x
   x = 10,621,051.78/2,709.82
6. Step 6: Final answer
   x = 3,919.47