Finding the Fourth Proportional to 1,061.82, 1,591.11 and 484.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.82 : 1,591.11 = 484.02 : x
2. Step 2: Convert to fraction form
   1,061.82/1,591.11 = 484.02/x
3. Step 3: Cross multiply
   1,061.82x = 1,591.11 × 484.02
4. Step 4: Simplify right side
   1,061.82x = 770,129.06
5. Step 5: Solve for x
   x = 770,129.06/1,061.82
6. Step 6: Final answer
   x = 725.29