Finding the Fourth Proportional to 3,551.62, 5,327.70 and 1,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.62 : 5,327.70 = 1,086.62 : x
2. Step 2: Convert to fraction form
   3,551.62/5,327.70 = 1,086.62/x
3. Step 3: Cross multiply
   3,551.62x = 5,327.70 × 1,086.62
4. Step 4: Simplify right side
   3,551.62x = 5,789,185.37
5. Step 5: Solve for x
   x = 5,789,185.37/3,551.62
6. Step 6: Final answer
   x = 1,630.01