Finding the Fourth Proportional to 3,086.58, 4,259.88 and 1,760.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.58 : 4,259.88 = 1,760.76 : x
2. Step 2: Convert to fraction form
   3,086.58/4,259.88 = 1,760.76/x
3. Step 3: Cross multiply
   3,086.58x = 4,259.88 × 1,760.76
4. Step 4: Simplify right side
   3,086.58x = 7,500,626.31
5. Step 5: Solve for x
   x = 7,500,626.31/3,086.58
6. Step 6: Final answer
   x = 2,430.08