Finding the Fourth Proportional to 2,658.50, 3,987.98 and 1,014.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.50 : 3,987.98 = 1,014.15 : x
2. Step 2: Convert to fraction form
   2,658.50/3,987.98 = 1,014.15/x
3. Step 3: Cross multiply
   2,658.50x = 3,987.98 × 1,014.15
4. Step 4: Simplify right side
   2,658.50x = 4,044,429.31
5. Step 5: Solve for x
   x = 4,044,429.31/2,658.50
6. Step 6: Final answer
   x = 1,521.32