Finding the Fourth Proportional to 2,023.11, 3,030.72 and 1,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.11 : 3,030.72 = 1,142.96 : x
2. Step 2: Convert to fraction form
   2,023.11/3,030.72 = 1,142.96/x
3. Step 3: Cross multiply
   2,023.11x = 3,030.72 × 1,142.96
4. Step 4: Simplify right side
   2,023.11x = 3,463,976.58
5. Step 5: Solve for x
   x = 3,463,976.58/2,023.11
6. Step 6: Final answer
   x = 1,712.20