Finding the Fourth Proportional to 2,017.91, 3,026.06 and 719.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.91 : 3,026.06 = 719.08 : x
2. Step 2: Convert to fraction form
   2,017.91/3,026.06 = 719.08/x
3. Step 3: Cross multiply
   2,017.91x = 3,026.06 × 719.08
4. Step 4: Simplify right side
   2,017.91x = 2,175,970.76
5. Step 5: Solve for x
   x = 2,175,970.76/2,017.91
6. Step 6: Final answer
   x = 1,078.33