Finding the Fourth Proportional to 3,767.38, 5,198.98 and 2,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.38 : 5,198.98 = 2,111.38 : x
2. Step 2: Convert to fraction form
   3,767.38/5,198.98 = 2,111.38/x
3. Step 3: Cross multiply
   3,767.38x = 5,198.98 × 2,111.38
4. Step 4: Simplify right side
   3,767.38x = 10,977,022.39
5. Step 5: Solve for x
   x = 10,977,022.39/3,767.38
6. Step 6: Final answer
   x = 2,913.70