Finding the Fourth Proportional to 1,447.55, 2,162.52 and 923.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.55 : 2,162.52 = 923.37 : x
2. Step 2: Convert to fraction form
   1,447.55/2,162.52 = 923.37/x
3. Step 3: Cross multiply
   1,447.55x = 2,162.52 × 923.37
4. Step 4: Simplify right side
   1,447.55x = 1,996,806.09
5. Step 5: Solve for x
   x = 1,996,806.09/1,447.55
6. Step 6: Final answer
   x = 1,379.44