Finding the Fourth Proportional to 3,085.72, 4,258.18 and 1,759.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.72 : 4,258.18 = 1,759.85 : x
2. Step 2: Convert to fraction form
   3,085.72/4,258.18 = 1,759.85/x
3. Step 3: Cross multiply
   3,085.72x = 4,258.18 × 1,759.85
4. Step 4: Simplify right side
   3,085.72x = 7,493,758.07
5. Step 5: Solve for x
   x = 7,493,758.07/3,085.72
6. Step 6: Final answer
   x = 2,428.53