Finding the Fourth Proportional to 2,028.53, 2,799.38 and 1,242.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.53 : 2,799.38 = 1,242.42 : x
2. Step 2: Convert to fraction form
   2,028.53/2,799.38 = 1,242.42/x
3. Step 3: Cross multiply
   2,028.53x = 2,799.38 × 1,242.42
4. Step 4: Simplify right side
   2,028.53x = 3,477,999.49
5. Step 5: Solve for x
   x = 3,477,999.49/2,028.53
6. Step 6: Final answer
   x = 1,714.55