Finding the Fourth Proportional to 1,410.89, 1,946.03 and 879.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.89 : 1,946.03 = 879.32 : x
2. Step 2: Convert to fraction form
   1,410.89/1,946.03 = 879.32/x
3. Step 3: Cross multiply
   1,410.89x = 1,946.03 × 879.32
4. Step 4: Simplify right side
   1,410.89x = 1,711,183.57
5. Step 5: Solve for x
   x = 1,711,183.57/1,410.89
6. Step 6: Final answer
   x = 1,212.84