Finding the Fourth Proportional to 1,362.53, 1,880.30 and 803.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.53 : 1,880.30 = 803.02 : x
2. Step 2: Convert to fraction form
   1,362.53/1,880.30 = 803.02/x
3. Step 3: Cross multiply
   1,362.53x = 1,880.30 × 803.02
4. Step 4: Simplify right side
   1,362.53x = 1,509,918.51
5. Step 5: Solve for x
   x = 1,509,918.51/1,362.53
6. Step 6: Final answer
   x = 1,108.17