Finding the Fourth Proportional to 1,061.34, 1,592.13 and 331.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.34 : 1,592.13 = 331.10 : x
2. Step 2: Convert to fraction form
   1,061.34/1,592.13 = 331.10/x
3. Step 3: Cross multiply
   1,061.34x = 1,592.13 × 331.10
4. Step 4: Simplify right side
   1,061.34x = 527,154.24
5. Step 5: Solve for x
   x = 527,154.24/1,061.34
6. Step 6: Final answer
   x = 496.69