Finding the Fourth Proportional to 3,393.82, 5,091.03 and 1,085.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.82 : 5,091.03 = 1,085.32 : x
2. Step 2: Convert to fraction form
   3,393.82/5,091.03 = 1,085.32/x
3. Step 3: Cross multiply
   3,393.82x = 5,091.03 × 1,085.32
4. Step 4: Simplify right side
   3,393.82x = 5,525,396.68
5. Step 5: Solve for x
   x = 5,525,396.68/3,393.82
6. Step 6: Final answer
   x = 1,628.08