Finding the Fourth Proportional to 3,086.86, 4,259.79 and 1,760.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.86 : 4,259.79 = 1,760.49 : x
2. Step 2: Convert to fraction form
   3,086.86/4,259.79 = 1,760.49/x
3. Step 3: Cross multiply
   3,086.86x = 4,259.79 × 1,760.49
4. Step 4: Simplify right side
   3,086.86x = 7,499,317.70
5. Step 5: Solve for x
   x = 7,499,317.70/3,086.86
6. Step 6: Final answer
   x = 2,429.43