Finding the Fourth Proportional to 1,498.98, 2,248.71 and 677.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.98 : 2,248.71 = 677.22 : x
2. Step 2: Convert to fraction form
   1,498.98/2,248.71 = 677.22/x
3. Step 3: Cross multiply
   1,498.98x = 2,248.71 × 677.22
4. Step 4: Simplify right side
   1,498.98x = 1,522,871.39
5. Step 5: Solve for x
   x = 1,522,871.39/1,498.98
6. Step 6: Final answer
   x = 1,015.94