Finding the Fourth Proportional to 2,068.28, 2,854.14 and 1,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.28 : 2,854.14 = 1,136.72 : x
2. Step 2: Convert to fraction form
   2,068.28/2,854.14 = 1,136.72/x
3. Step 3: Cross multiply
   2,068.28x = 2,854.14 × 1,136.72
4. Step 4: Simplify right side
   2,068.28x = 3,244,358.02
5. Step 5: Solve for x
   x = 3,244,358.02/2,068.28
6. Step 6: Final answer
   x = 1,568.63