Finding the Fourth Proportional to 2,961.72, 4,085.82 and 1,719

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.72 : 4,085.82 = 1,719 : x
2. Step 2: Convert to fraction form
   2,961.72/4,085.82 = 1,719/x
3. Step 3: Cross multiply
   2,961.72x = 4,085.82 × 1,719
4. Step 4: Simplify right side
   2,961.72x = 7,023,524.58
5. Step 5: Solve for x
   x = 7,023,524.58/2,961.72
6. Step 6: Final answer
   x = 2,371.43