Finding the Fourth Proportional to 1,362.47, 1,880.25 and 802.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.47 : 1,880.25 = 802.89 : x
2. Step 2: Convert to fraction form
   1,362.47/1,880.25 = 802.89/x
3. Step 3: Cross multiply
   1,362.47x = 1,880.25 × 802.89
4. Step 4: Simplify right side
   1,362.47x = 1,509,633.92
5. Step 5: Solve for x
   x = 1,509,633.92/1,362.47
6. Step 6: Final answer
   x = 1,108.01