Finding the Fourth Proportional to 1,061.52, 1,592.32 and 331.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.52 : 1,592.32 = 331.08 : x
2. Step 2: Convert to fraction form
   1,061.52/1,592.32 = 331.08/x
3. Step 3: Cross multiply
   1,061.52x = 1,592.32 × 331.08
4. Step 4: Simplify right side
   1,061.52x = 527,185.31
5. Step 5: Solve for x
   x = 527,185.31/1,061.52
6. Step 6: Final answer
   x = 496.63