Finding the Fourth Proportional to 1,223.48, 1,833.42 and 964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.48 : 1,833.42 = 964.10 : x
2. Step 2: Convert to fraction form
   1,223.48/1,833.42 = 964.10/x
3. Step 3: Cross multiply
   1,223.48x = 1,833.42 × 964.10
4. Step 4: Simplify right side
   1,223.48x = 1,767,600.22
5. Step 5: Solve for x
   x = 1,767,600.22/1,223.48
6. Step 6: Final answer
   x = 1,444.73