Finding the Fourth Proportional to 1,574.27, 2,363.46 and 1,209.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.27 : 2,363.46 = 1,209.32 : x
2. Step 2: Convert to fraction form
   1,574.27/2,363.46 = 1,209.32/x
3. Step 3: Cross multiply
   1,574.27x = 2,363.46 × 1,209.32
4. Step 4: Simplify right side
   1,574.27x = 2,858,179.45
5. Step 5: Solve for x
   x = 2,858,179.45/1,574.27
6. Step 6: Final answer
   x = 1,815.56