Finding the Fourth Proportional to 1,019.22, 1,528.82 and 369.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.22 : 1,528.82 = 369.94 : x
2. Step 2: Convert to fraction form
   1,019.22/1,528.82 = 369.94/x
3. Step 3: Cross multiply
   1,019.22x = 1,528.82 × 369.94
4. Step 4: Simplify right side
   1,019.22x = 565,571.67
5. Step 5: Solve for x
   x = 565,571.67/1,019.22
6. Step 6: Final answer
   x = 554.91