Finding the Fourth Proportional to 3,391.76, 5,086.35 and 1,169.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391.76 : 5,086.35 = 1,169.96 : x
2. Step 2: Convert to fraction form
   3,391.76/5,086.35 = 1,169.96/x
3. Step 3: Cross multiply
   3,391.76x = 5,086.35 × 1,169.96
4. Step 4: Simplify right side
   3,391.76x = 5,950,800.61
5. Step 5: Solve for x
   x = 5,950,800.61/3,391.76
6. Step 6: Final answer
   x = 1,754.49