Finding the Fourth Proportional to 1,362.01, 1,879.20 and 802.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.01 : 1,879.20 = 802.48 : x
2. Step 2: Convert to fraction form
   1,362.01/1,879.20 = 802.48/x
3. Step 3: Cross multiply
   1,362.01x = 1,879.20 × 802.48
4. Step 4: Simplify right side
   1,362.01x = 1,508,020.42
5. Step 5: Solve for x
   x = 1,508,020.42/1,362.01
6. Step 6: Final answer
   x = 1,107.20