Finding the Fourth Proportional to 1,965.31, 2,944.49 and 1,038.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.31 : 2,944.49 = 1,038.81 : x
2. Step 2: Convert to fraction form
   1,965.31/2,944.49 = 1,038.81/x
3. Step 3: Cross multiply
   1,965.31x = 2,944.49 × 1,038.81
4. Step 4: Simplify right side
   1,965.31x = 3,058,760.46
5. Step 5: Solve for x
   x = 3,058,760.46/1,965.31
6. Step 6: Final answer
   x = 1,556.38