Finding the Fourth Proportional to 1,362.53, 1,880.65 and 803.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.53 : 1,880.65 = 803.37 : x
2. Step 2: Convert to fraction form
   1,362.53/1,880.65 = 803.37/x
3. Step 3: Cross multiply
   1,362.53x = 1,880.65 × 803.37
4. Step 4: Simplify right side
   1,362.53x = 1,510,857.29
5. Step 5: Solve for x
   x = 1,510,857.29/1,362.53
6. Step 6: Final answer
   x = 1,108.86