Finding the Fourth Proportional to 2,656.57, 3,983.76 and 1,013.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.57 : 3,983.76 = 1,013.53 : x
2. Step 2: Convert to fraction form
   2,656.57/3,983.76 = 1,013.53/x
3. Step 3: Cross multiply
   2,656.57x = 3,983.76 × 1,013.53
4. Step 4: Simplify right side
   2,656.57x = 4,037,660.27
5. Step 5: Solve for x
   x = 4,037,660.27/2,656.57
6. Step 6: Final answer
   x = 1,519.88