Finding the Fourth Proportional to 1,022.82, 1,533.78 and 373.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.82 : 1,533.78 = 373.38 : x
2. Step 2: Convert to fraction form
   1,022.82/1,533.78 = 373.38/x
3. Step 3: Cross multiply
   1,022.82x = 1,533.78 × 373.38
4. Step 4: Simplify right side
   1,022.82x = 572,682.78
5. Step 5: Solve for x
   x = 572,682.78/1,022.82
6. Step 6: Final answer
   x = 559.91