Finding the Fourth Proportional to 1,498.82, 2,248.37 and 458.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.82 : 2,248.37 = 458.81 : x
2. Step 2: Convert to fraction form
   1,498.82/2,248.37 = 458.81/x
3. Step 3: Cross multiply
   1,498.82x = 2,248.37 × 458.81
4. Step 4: Simplify right side
   1,498.82x = 1,031,564.54
5. Step 5: Solve for x
   x = 1,031,564.54/1,498.82
6. Step 6: Final answer
   x = 688.25