Finding the Fourth Proportional to 723.52, 998.38 and 443.83

Step by Step Solution

1. Step 1: Write the proportion equation
   723.52 : 998.38 = 443.83 : x
2. Step 2: Convert to fraction form
   723.52/998.38 = 443.83/x
3. Step 3: Cross multiply
   723.52x = 998.38 × 443.83
4. Step 4: Simplify right side
   723.52x = 443,111.00
5. Step 5: Solve for x
   x = 443,111.00/723.52
6. Step 6: Final answer
   x = 612.44