Finding the Fourth Proportional to 1,338.48, 1,844.61 and 964.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.48 : 1,844.61 = 964.83 : x
2. Step 2: Convert to fraction form
   1,338.48/1,844.61 = 964.83/x
3. Step 3: Cross multiply
   1,338.48x = 1,844.61 × 964.83
4. Step 4: Simplify right side
   1,338.48x = 1,779,735.07
5. Step 5: Solve for x
   x = 1,779,735.07/1,338.48
6. Step 6: Final answer
   x = 1,329.67