Finding the Fourth Proportional to 1,359.10, 1,872.87 and 965.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.10 : 1,872.87 = 965.02 : x
2. Step 2: Convert to fraction form
   1,359.10/1,872.87 = 965.02/x
3. Step 3: Cross multiply
   1,359.10x = 1,872.87 × 965.02
4. Step 4: Simplify right side
   1,359.10x = 1,807,357.01
5. Step 5: Solve for x
   x = 1,807,357.01/1,359.10
6. Step 6: Final answer
   x = 1,329.82