Finding the Fourth Proportional to 2,659.55, 3,987.73 and 1,016.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.55 : 3,987.73 = 1,016.22 : x
2. Step 2: Convert to fraction form
   2,659.55/3,987.73 = 1,016.22/x
3. Step 3: Cross multiply
   2,659.55x = 3,987.73 × 1,016.22
4. Step 4: Simplify right side
   2,659.55x = 4,052,410.98
5. Step 5: Solve for x
   x = 4,052,410.98/2,659.55
6. Step 6: Final answer
   x = 1,523.72