Finding the Fourth Proportional to 1,061.46, 1,591.38 and 367.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.46 : 1,591.38 = 367.83 : x
2. Step 2: Convert to fraction form
   1,061.46/1,591.38 = 367.83/x
3. Step 3: Cross multiply
   1,061.46x = 1,591.38 × 367.83
4. Step 4: Simplify right side
   1,061.46x = 585,357.31
5. Step 5: Solve for x
   x = 585,357.31/1,061.46
6. Step 6: Final answer
   x = 551.46