Finding the Fourth Proportional to 1,362.49, 1,880.19 and 802.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.49 : 1,880.19 = 802.99 : x
2. Step 2: Convert to fraction form
   1,362.49/1,880.19 = 802.99/x
3. Step 3: Cross multiply
   1,362.49x = 1,880.19 × 802.99
4. Step 4: Simplify right side
   1,362.49x = 1,509,762.53
5. Step 5: Solve for x
   x = 1,509,762.53/1,362.49
6. Step 6: Final answer
   x = 1,108.09