Finding the Fourth Proportional to 1,362.06, 1,879.55 and 802.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.06 : 1,879.55 = 802.42 : x
2. Step 2: Convert to fraction form
   1,362.06/1,879.55 = 802.42/x
3. Step 3: Cross multiply
   1,362.06x = 1,879.55 × 802.42
4. Step 4: Simplify right side
   1,362.06x = 1,508,192.61
5. Step 5: Solve for x
   x = 1,508,192.61/1,362.06
6. Step 6: Final answer
   x = 1,107.29