Finding the Fourth Proportional to 2,068.16, 3,101.76 and 1,338.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.16 : 3,101.76 = 1,338.08 : x
2. Step 2: Convert to fraction form
   2,068.16/3,101.76 = 1,338.08/x
3. Step 3: Cross multiply
   2,068.16x = 3,101.76 × 1,338.08
4. Step 4: Simplify right side
   2,068.16x = 4,150,403.02
5. Step 5: Solve for x
   x = 4,150,403.02/2,068.16
6. Step 6: Final answer
   x = 2,006.81