Finding the Fourth Proportional to 2,816.53, 4,223.73 and 942.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.53 : 4,223.73 = 942.03 : x
2. Step 2: Convert to fraction form
   2,816.53/4,223.73 = 942.03/x
3. Step 3: Cross multiply
   2,816.53x = 4,223.73 × 942.03
4. Step 4: Simplify right side
   2,816.53x = 3,978,880.37
5. Step 5: Solve for x
   x = 3,978,880.37/2,816.53
6. Step 6: Final answer
   x = 1,412.69