Finding the Fourth Proportional to 1,443.33, 2,163.24 and 749.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.33 : 2,163.24 = 749.62 : x
2. Step 2: Convert to fraction form
   1,443.33/2,163.24 = 749.62/x
3. Step 3: Cross multiply
   1,443.33x = 2,163.24 × 749.62
4. Step 4: Simplify right side
   1,443.33x = 1,621,610.67
5. Step 5: Solve for x
   x = 1,621,610.67/1,443.33
6. Step 6: Final answer
   x = 1,123.52