Finding the Fourth Proportional to 2,656.56, 3,986.06 and 1,013.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.56 : 3,986.06 = 1,013.48 : x
2. Step 2: Convert to fraction form
   2,656.56/3,986.06 = 1,013.48/x
3. Step 3: Cross multiply
   2,656.56x = 3,986.06 × 1,013.48
4. Step 4: Simplify right side
   2,656.56x = 4,039,767.09
5. Step 5: Solve for x
   x = 4,039,767.09/2,656.56
6. Step 6: Final answer
   x = 1,520.68