Finding the Fourth Proportional to 1,648.24, 2,470.25 and 723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.24 : 2,470.25 = 723.56 : x
2. Step 2: Convert to fraction form
   1,648.24/2,470.25 = 723.56/x
3. Step 3: Cross multiply
   1,648.24x = 2,470.25 × 723.56
4. Step 4: Simplify right side
   1,648.24x = 1,787,363.55
5. Step 5: Solve for x
   x = 1,787,363.55/1,648.24
6. Step 6: Final answer
   x = 1,084.41