Finding the Fourth Proportional to 2,068.68, 3,103.20 and 1,029.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.68 : 3,103.20 = 1,029.72 : x
2. Step 2: Convert to fraction form
   2,068.68/3,103.20 = 1,029.72/x
3. Step 3: Cross multiply
   2,068.68x = 3,103.20 × 1,029.72
4. Step 4: Simplify right side
   2,068.68x = 3,195,427.10
5. Step 5: Solve for x
   x = 3,195,427.10/2,068.68
6. Step 6: Final answer
   x = 1,544.67