Finding the Fourth Proportional to 1,454.37, 2,180.41 and 723.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.37 : 2,180.41 = 723.55 : x
2. Step 2: Convert to fraction form
   1,454.37/2,180.41 = 723.55/x
3. Step 3: Cross multiply
   1,454.37x = 2,180.41 × 723.55
4. Step 4: Simplify right side
   1,454.37x = 1,577,628.40
5. Step 5: Solve for x
   x = 1,577,628.40/1,454.37
6. Step 6: Final answer
   x = 1,084.75