Finding the Fourth Proportional to 2,096.13, 2,891.50 and 1,338.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.13 : 2,891.50 = 1,338.51 : x
2. Step 2: Convert to fraction form
   2,096.13/2,891.50 = 1,338.51/x
3. Step 3: Cross multiply
   2,096.13x = 2,891.50 × 1,338.51
4. Step 4: Simplify right side
   2,096.13x = 3,870,301.67
5. Step 5: Solve for x
   x = 3,870,301.67/2,096.13
6. Step 6: Final answer
   x = 1,846.40