Finding the Fourth Proportional to 2,068.02, 3,103.25 and 818.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.02 : 3,103.25 = 818.74 : x
2. Step 2: Convert to fraction form
   2,068.02/3,103.25 = 818.74/x
3. Step 3: Cross multiply
   2,068.02x = 3,103.25 × 818.74
4. Step 4: Simplify right side
   2,068.02x = 2,540,754.91
5. Step 5: Solve for x
   x = 2,540,754.91/2,068.02
6. Step 6: Final answer
   x = 1,228.59