Finding the Fourth Proportional to 2,658.41, 3,987.89 and 1,016.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.41 : 3,987.89 = 1,016.34 : x
2. Step 2: Convert to fraction form
   2,658.41/3,987.89 = 1,016.34/x
3. Step 3: Cross multiply
   2,658.41x = 3,987.89 × 1,016.34
4. Step 4: Simplify right side
   2,658.41x = 4,053,037.07
5. Step 5: Solve for x
   x = 4,053,037.07/2,658.41
6. Step 6: Final answer
   x = 1,524.61