Finding the Fourth Proportional to 1,046.76, 1,568.98 and 498.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.76 : 1,568.98 = 498.12 : x
2. Step 2: Convert to fraction form
   1,046.76/1,568.98 = 498.12/x
3. Step 3: Cross multiply
   1,046.76x = 1,568.98 × 498.12
4. Step 4: Simplify right side
   1,046.76x = 781,540.32
5. Step 5: Solve for x
   x = 781,540.32/1,046.76
6. Step 6: Final answer
   x = 746.63