Finding the Fourth Proportional to 1,363.82, 2,045.72 and 498.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.82 : 2,045.72 = 498.12 : x
2. Step 2: Convert to fraction form
   1,363.82/2,045.72 = 498.12/x
3. Step 3: Cross multiply
   1,363.82x = 2,045.72 × 498.12
4. Step 4: Simplify right side
   1,363.82x = 1,019,014.05
5. Step 5: Solve for x
   x = 1,019,014.05/1,363.82
6. Step 6: Final answer
   x = 747.18