Finding the Fourth Proportional to 2,111.41, 2,912.38 and 2,040.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.41 : 2,912.38 = 2,040.13 : x
2. Step 2: Convert to fraction form
   2,111.41/2,912.38 = 2,040.13/x
3. Step 3: Cross multiply
   2,111.41x = 2,912.38 × 2,040.13
4. Step 4: Simplify right side
   2,111.41x = 5,941,633.81
5. Step 5: Solve for x
   x = 5,941,633.81/2,111.41
6. Step 6: Final answer
   x = 2,814.06