Finding the Fourth Proportional to 3,619.92, 5,429.27 and 1,022.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.92 : 5,429.27 = 1,022.25 : x
2. Step 2: Convert to fraction form
   3,619.92/5,429.27 = 1,022.25/x
3. Step 3: Cross multiply
   3,619.92x = 5,429.27 × 1,022.25
4. Step 4: Simplify right side
   3,619.92x = 5,550,066.15
5. Step 5: Solve for x
   x = 5,550,066.15/3,619.92
6. Step 6: Final answer
   x = 1,533.20