Finding the Fourth Proportional to 1,809.24, 2,496.69 and 1,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.24 : 2,496.69 = 1,012.56 : x
2. Step 2: Convert to fraction form
   1,809.24/2,496.69 = 1,012.56/x
3. Step 3: Cross multiply
   1,809.24x = 2,496.69 × 1,012.56
4. Step 4: Simplify right side
   1,809.24x = 2,528,048.43
5. Step 5: Solve for x
   x = 2,528,048.43/1,809.24
6. Step 6: Final answer
   x = 1,397.30