Finding the Fourth Proportional to 3,619.42, 5,429.59 and 1,022.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.42 : 5,429.59 = 1,022.36 : x
2. Step 2: Convert to fraction form
   3,619.42/5,429.59 = 1,022.36/x
3. Step 3: Cross multiply
   3,619.42x = 5,429.59 × 1,022.36
4. Step 4: Simplify right side
   3,619.42x = 5,550,995.63
5. Step 5: Solve for x
   x = 5,550,995.63/3,619.42
6. Step 6: Final answer
   x = 1,533.67