Finding the Fourth Proportional to 1,196.01, 1,793.80 and 318.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.01 : 1,793.80 = 318.52 : x
2. Step 2: Convert to fraction form
   1,196.01/1,793.80 = 318.52/x
3. Step 3: Cross multiply
   1,196.01x = 1,793.80 × 318.52
4. Step 4: Simplify right side
   1,196.01x = 571,361.18
5. Step 5: Solve for x
   x = 571,361.18/1,196.01
6. Step 6: Final answer
   x = 477.72