Finding the Fourth Proportional to 1,485.33, 2,049.53 and 888.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.33 : 2,049.53 = 888.03 : x
2. Step 2: Convert to fraction form
   1,485.33/2,049.53 = 888.03/x
3. Step 3: Cross multiply
   1,485.33x = 2,049.53 × 888.03
4. Step 4: Simplify right side
   1,485.33x = 1,820,039.69
5. Step 5: Solve for x
   x = 1,820,039.69/1,485.33
6. Step 6: Final answer
   x = 1,225.34