Finding the Fourth Proportional to 1,019.69, 1,529.52 and 370.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.69 : 1,529.52 = 370.41 : x
2. Step 2: Convert to fraction form
   1,019.69/1,529.52 = 370.41/x
3. Step 3: Cross multiply
   1,019.69x = 1,529.52 × 370.41
4. Step 4: Simplify right side
   1,019.69x = 566,542.38
5. Step 5: Solve for x
   x = 566,542.38/1,019.69
6. Step 6: Final answer
   x = 555.60