Finding the Fourth Proportional to 2,399.67, 3,597.96 and 1,012.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.67 : 3,597.96 = 1,012.63 : x
2. Step 2: Convert to fraction form
   2,399.67/3,597.96 = 1,012.63/x
3. Step 3: Cross multiply
   2,399.67x = 3,597.96 × 1,012.63
4. Step 4: Simplify right side
   2,399.67x = 3,643,384.25
5. Step 5: Solve for x
   x = 3,643,384.25/2,399.67
6. Step 6: Final answer
   x = 1,518.29