Finding the Fourth Proportional to 2,068.20, 3,103.02 and 1,719.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.20 : 3,103.02 = 1,719.90 : x
2. Step 2: Convert to fraction form
   2,068.20/3,103.02 = 1,719.90/x
3. Step 3: Cross multiply
   2,068.20x = 3,103.02 × 1,719.90
4. Step 4: Simplify right side
   2,068.20x = 5,336,884.10
5. Step 5: Solve for x
   x = 5,336,884.10/2,068.20
6. Step 6: Final answer
   x = 2,580.45