Finding the Fourth Proportional to 1,061.37, 1,592.15 and 330.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.37 : 1,592.15 = 330.75 : x
2. Step 2: Convert to fraction form
   1,061.37/1,592.15 = 330.75/x
3. Step 3: Cross multiply
   1,061.37x = 1,592.15 × 330.75
4. Step 4: Simplify right side
   1,061.37x = 526,601.96
5. Step 5: Solve for x
   x = 526,601.96/1,061.37
6. Step 6: Final answer
   x = 496.15