Finding the Fourth Proportional to 1,910.72, 2,863.64 and 923.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.72 : 2,863.64 = 923.34 : x
2. Step 2: Convert to fraction form
   1,910.72/2,863.64 = 923.34/x
3. Step 3: Cross multiply
   1,910.72x = 2,863.64 × 923.34
4. Step 4: Simplify right side
   1,910.72x = 2,644,113.36
5. Step 5: Solve for x
   x = 2,644,113.36/1,910.72
6. Step 6: Final answer
   x = 1,383.83