Finding the Fourth Proportional to 1,498.77, 2,248.43 and 677.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.77 : 2,248.43 = 677.43 : x
2. Step 2: Convert to fraction form
   1,498.77/2,248.43 = 677.43/x
3. Step 3: Cross multiply
   1,498.77x = 2,248.43 × 677.43
4. Step 4: Simplify right side
   1,498.77x = 1,523,150.55
5. Step 5: Solve for x
   x = 1,523,150.55/1,498.77
6. Step 6: Final answer
   x = 1,016.27