Finding the Fourth Proportional to 1,410.83, 1,946.92 and 886.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.83 : 1,946.92 = 886.76 : x
2. Step 2: Convert to fraction form
   1,410.83/1,946.92 = 886.76/x
3. Step 3: Cross multiply
   1,410.83x = 1,946.92 × 886.76
4. Step 4: Simplify right side
   1,410.83x = 1,726,450.78
5. Step 5: Solve for x
   x = 1,726,450.78/1,410.83
6. Step 6: Final answer
   x = 1,223.71