Finding the Fourth Proportional to 1,061.06, 1,591.09 and 367.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.06 : 1,591.09 = 367.49 : x
2. Step 2: Convert to fraction form
   1,061.06/1,591.09 = 367.49/x
3. Step 3: Cross multiply
   1,061.06x = 1,591.09 × 367.49
4. Step 4: Simplify right side
   1,061.06x = 584,712.72
5. Step 5: Solve for x
   x = 584,712.72/1,061.06
6. Step 6: Final answer
   x = 551.07