Finding the Fourth Proportional to 2,068.22, 2,856.39 and 1,406.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.22 : 2,856.39 = 1,406.18 : x
2. Step 2: Convert to fraction form
   2,068.22/2,856.39 = 1,406.18/x
3. Step 3: Cross multiply
   2,068.22x = 2,856.39 × 1,406.18
4. Step 4: Simplify right side
   2,068.22x = 4,016,598.49
5. Step 5: Solve for x
   x = 4,016,598.49/2,068.22
6. Step 6: Final answer
   x = 1,942.06