Finding the Fourth Proportional to 1,409.15, 1,946.48 and 1,081.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.15 : 1,946.48 = 1,081.62 : x
2. Step 2: Convert to fraction form
   1,409.15/1,946.48 = 1,081.62/x
3. Step 3: Cross multiply
   1,409.15x = 1,946.48 × 1,081.62
4. Step 4: Simplify right side
   1,409.15x = 2,105,352.37
5. Step 5: Solve for x
   x = 2,105,352.37/1,409.15
6. Step 6: Final answer
   x = 1,494.06