Finding the Fourth Proportional to 2,399.56, 3,596.67 and 1,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.56 : 3,596.67 = 1,012.50 : x
2. Step 2: Convert to fraction form
   2,399.56/3,596.67 = 1,012.50/x
3. Step 3: Cross multiply
   2,399.56x = 3,596.67 × 1,012.50
4. Step 4: Simplify right side
   2,399.56x = 3,641,628.38
5. Step 5: Solve for x
   x = 3,641,628.38/2,399.56
6. Step 6: Final answer
   x = 1,517.62