Finding the Fourth Proportional to 1,964.34, 2,944.86 and 923.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.34 : 2,944.86 = 923.82 : x
2. Step 2: Convert to fraction form
   1,964.34/2,944.86 = 923.82/x
3. Step 3: Cross multiply
   1,964.34x = 2,944.86 × 923.82
4. Step 4: Simplify right side
   1,964.34x = 2,720,520.57
5. Step 5: Solve for x
   x = 2,720,520.57/1,964.34
6. Step 6: Final answer
   x = 1,384.95