Finding the Fourth Proportional to 3,689.98, 5,537.46 and 1,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689.98 : 5,537.46 = 1,498.78 : x
2. Step 2: Convert to fraction form
   3,689.98/5,537.46 = 1,498.78/x
3. Step 3: Cross multiply
   3,689.98x = 5,537.46 × 1,498.78
4. Step 4: Simplify right side
   3,689.98x = 8,299,434.30
5. Step 5: Solve for x
   x = 8,299,434.30/3,689.98
6. Step 6: Final answer
   x = 2,249.18