Finding the Fourth Proportional to 1,046.22, 1,568.98 and 498.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.22 : 1,568.98 = 498.39 : x
2. Step 2: Convert to fraction form
   1,046.22/1,568.98 = 498.39/x
3. Step 3: Cross multiply
   1,046.22x = 1,568.98 × 498.39
4. Step 4: Simplify right side
   1,046.22x = 781,963.94
5. Step 5: Solve for x
   x = 781,963.94/1,046.22
6. Step 6: Final answer
   x = 747.42