Finding the Fourth Proportional to 1,196.31, 1,793.75 and 493.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.31 : 1,793.75 = 493.30 : x
2. Step 2: Convert to fraction form
   1,196.31/1,793.75 = 493.30/x
3. Step 3: Cross multiply
   1,196.31x = 1,793.75 × 493.30
4. Step 4: Simplify right side
   1,196.31x = 884,856.65
5. Step 5: Solve for x
   x = 884,856.65/1,196.31
6. Step 6: Final answer
   x = 739.65