Finding the Fourth Proportional to 1,363.86, 2,046.06 and 498.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.86 : 2,046.06 = 498.15 : x
2. Step 2: Convert to fraction form
   1,363.86/2,046.06 = 498.15/x
3. Step 3: Cross multiply
   1,363.86x = 2,046.06 × 498.15
4. Step 4: Simplify right side
   1,363.86x = 1,019,244.79
5. Step 5: Solve for x
   x = 1,019,244.79/1,363.86
6. Step 6: Final answer
   x = 747.32