Finding the Fourth Proportional to 1,046.63, 1,568.94 and 498.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.63 : 1,568.94 = 498.67 : x
2. Step 2: Convert to fraction form
   1,046.63/1,568.94 = 498.67/x
3. Step 3: Cross multiply
   1,046.63x = 1,568.94 × 498.67
4. Step 4: Simplify right side
   1,046.63x = 782,377.52
5. Step 5: Solve for x
   x = 782,377.52/1,046.63
6. Step 6: Final answer
   x = 747.52