Finding the Fourth Proportional to 3,546.77, 5,319.69 and 1,081.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.77 : 5,319.69 = 1,081.85 : x
2. Step 2: Convert to fraction form
   3,546.77/5,319.69 = 1,081.85/x
3. Step 3: Cross multiply
   3,546.77x = 5,319.69 × 1,081.85
4. Step 4: Simplify right side
   3,546.77x = 5,755,080.03
5. Step 5: Solve for x
   x = 5,755,080.03/3,546.77
6. Step 6: Final answer
   x = 1,622.63