Finding the Fourth Proportional to 1,363.23, 1,880.73 and 803.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.23 : 1,880.73 = 803.30 : x
2. Step 2: Convert to fraction form
   1,363.23/1,880.73 = 803.30/x
3. Step 3: Cross multiply
   1,363.23x = 1,880.73 × 803.30
4. Step 4: Simplify right side
   1,363.23x = 1,510,781.01
5. Step 5: Solve for x
   x = 1,510,781.01/1,363.23
6. Step 6: Final answer
   x = 1,108.24