Finding the Fourth Proportional to 2,659.56, 3,987.72 and 1,016.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.56 : 3,987.72 = 1,016.22 : x
2. Step 2: Convert to fraction form
   2,659.56/3,987.72 = 1,016.22/x
3. Step 3: Cross multiply
   2,659.56x = 3,987.72 × 1,016.22
4. Step 4: Simplify right side
   2,659.56x = 4,052,400.82
5. Step 5: Solve for x
   x = 4,052,400.82/2,659.56
6. Step 6: Final answer
   x = 1,523.71