Finding the Fourth Proportional to 2,493.98, 3,731.57 and 1,489.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.98 : 3,731.57 = 1,489.60 : x
2. Step 2: Convert to fraction form
   2,493.98/3,731.57 = 1,489.60/x
3. Step 3: Cross multiply
   2,493.98x = 3,731.57 × 1,489.60
4. Step 4: Simplify right side
   2,493.98x = 5,558,554.72
5. Step 5: Solve for x
   x = 5,558,554.72/2,493.98
6. Step 6: Final answer
   x = 2,228.79