Finding the Fourth Proportional to 1,061.36, 1,592.18 and 331.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.36 : 1,592.18 = 331.01 : x
2. Step 2: Convert to fraction form
   1,061.36/1,592.18 = 331.01/x
3. Step 3: Cross multiply
   1,061.36x = 1,592.18 × 331.01
4. Step 4: Simplify right side
   1,061.36x = 527,017.89
5. Step 5: Solve for x
   x = 527,017.89/1,061.36
6. Step 6: Final answer
   x = 496.55