Finding the Fourth Proportional to 2,700.10, 4,050.18 and 2,661.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.10 : 4,050.18 = 2,661.82 : x
2. Step 2: Convert to fraction form
   2,700.10/4,050.18 = 2,661.82/x
3. Step 3: Cross multiply
   2,700.10x = 4,050.18 × 2,661.82
4. Step 4: Simplify right side
   2,700.10x = 10,780,850.13
5. Step 5: Solve for x
   x = 10,780,850.13/2,700.10
6. Step 6: Final answer
   x = 3,992.76