Finding the Fourth Proportional to 1,061.71, 1,592.62 and 331.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.71 : 1,592.62 = 331.25 : x
2. Step 2: Convert to fraction form
   1,061.71/1,592.62 = 331.25/x
3. Step 3: Cross multiply
   1,061.71x = 1,592.62 × 331.25
4. Step 4: Simplify right side
   1,061.71x = 527,546.58
5. Step 5: Solve for x
   x = 527,546.58/1,061.71
6. Step 6: Final answer
   x = 496.89