Finding the Fourth Proportional to 1,362.48, 1,879.58 and 920.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.48 : 1,879.58 = 920.52 : x
2. Step 2: Convert to fraction form
   1,362.48/1,879.58 = 920.52/x
3. Step 3: Cross multiply
   1,362.48x = 1,879.58 × 920.52
4. Step 4: Simplify right side
   1,362.48x = 1,730,190.98
5. Step 5: Solve for x
   x = 1,730,190.98/1,362.48
6. Step 6: Final answer
   x = 1,269.88