Finding the Fourth Proportional to 1,443.26, 2,168.47 and 923.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.26 : 2,168.47 = 923.50 : x
2. Step 2: Convert to fraction form
   1,443.26/2,168.47 = 923.50/x
3. Step 3: Cross multiply
   1,443.26x = 2,168.47 × 923.50
4. Step 4: Simplify right side
   1,443.26x = 2,002,566.59
5. Step 5: Solve for x
   x = 2,002,566.59/1,443.26
6. Step 6: Final answer
   x = 1,387.53