Finding the Fourth Proportional to 1,488.46, 2,230.89 and 1,074.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.46 : 2,230.89 = 1,074.73 : x
2. Step 2: Convert to fraction form
   1,488.46/2,230.89 = 1,074.73/x
3. Step 3: Cross multiply
   1,488.46x = 2,230.89 × 1,074.73
4. Step 4: Simplify right side
   1,488.46x = 2,397,604.41
5. Step 5: Solve for x
   x = 2,397,604.41/1,488.46
6. Step 6: Final answer
   x = 1,610.80