Finding the Fourth Proportional to 1,962.96, 2,945.24 and 1,039.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.96 : 2,945.24 = 1,039.56 : x
2. Step 2: Convert to fraction form
   1,962.96/2,945.24 = 1,039.56/x
3. Step 3: Cross multiply
   1,962.96x = 2,945.24 × 1,039.56
4. Step 4: Simplify right side
   1,962.96x = 3,061,753.69
5. Step 5: Solve for x
   x = 3,061,753.69/1,962.96
6. Step 6: Final answer
   x = 1,559.76