Finding the Fourth Proportional to 1,061.79, 1,592.87 and 331.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.79 : 1,592.87 = 331.18 : x
2. Step 2: Convert to fraction form
   1,061.79/1,592.87 = 331.18/x
3. Step 3: Cross multiply
   1,061.79x = 1,592.87 × 331.18
4. Step 4: Simplify right side
   1,061.79x = 527,526.69
5. Step 5: Solve for x
   x = 527,526.69/1,061.79
6. Step 6: Final answer
   x = 496.83