Finding the Fourth Proportional to 1,046.39, 1,568.77 and 498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.39 : 1,568.77 = 498.22 : x
2. Step 2: Convert to fraction form
   1,046.39/1,568.77 = 498.22/x
3. Step 3: Cross multiply
   1,046.39x = 1,568.77 × 498.22
4. Step 4: Simplify right side
   1,046.39x = 781,587.42
5. Step 5: Solve for x
   x = 781,587.42/1,046.39
6. Step 6: Final answer
   x = 746.94