Finding the Fourth Proportional to 3,551.22, 5,327.59 and 1,086.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.22 : 5,327.59 = 1,086.22 : x
2. Step 2: Convert to fraction form
   3,551.22/5,327.59 = 1,086.22/x
3. Step 3: Cross multiply
   3,551.22x = 5,327.59 × 1,086.22
4. Step 4: Simplify right side
   3,551.22x = 5,786,934.81
5. Step 5: Solve for x
   x = 5,786,934.81/3,551.22
6. Step 6: Final answer
   x = 1,629.56