Finding the Fourth Proportional to 1,331.82, 1,997.82 and 498.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.82 : 1,997.82 = 498.96 : x
2. Step 2: Convert to fraction form
   1,331.82/1,997.82 = 498.96/x
3. Step 3: Cross multiply
   1,331.82x = 1,997.82 × 498.96
4. Step 4: Simplify right side
   1,331.82x = 996,832.27
5. Step 5: Solve for x
   x = 996,832.27/1,331.82
6. Step 6: Final answer
   x = 748.47