Finding the Fourth Proportional to 1,581.54, 2,180.60 and 1,441.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.54 : 2,180.60 = 1,441.08 : x
2. Step 2: Convert to fraction form
   1,581.54/2,180.60 = 1,441.08/x
3. Step 3: Cross multiply
   1,581.54x = 2,180.60 × 1,441.08
4. Step 4: Simplify right side
   1,581.54x = 3,142,411.84
5. Step 5: Solve for x
   x = 3,142,411.84/1,581.54
6. Step 6: Final answer
   x = 1,986.93