Finding the Fourth Proportional to 3,390.34, 5,086.32 and 1,169.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390.34 : 5,086.32 = 1,169.32 : x
2. Step 2: Convert to fraction form
   3,390.34/5,086.32 = 1,169.32/x
3. Step 3: Cross multiply
   3,390.34x = 5,086.32 × 1,169.32
4. Step 4: Simplify right side
   3,390.34x = 5,947,504.42
5. Step 5: Solve for x
   x = 5,947,504.42/3,390.34
6. Step 6: Final answer
   x = 1,754.25