Finding the Fourth Proportional to 2,441.82, 3,664.70 and 1,272.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.82 : 3,664.70 = 1,272.18 : x
2. Step 2: Convert to fraction form
   2,441.82/3,664.70 = 1,272.18/x
3. Step 3: Cross multiply
   2,441.82x = 3,664.70 × 1,272.18
4. Step 4: Simplify right side
   2,441.82x = 4,662,158.05
5. Step 5: Solve for x
   x = 4,662,158.05/2,441.82
6. Step 6: Final answer
   x = 1,909.30