Finding the Fourth Proportional to 1,468.39, 2,198.31 and 1,142.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.39 : 2,198.31 = 1,142.77 : x
2. Step 2: Convert to fraction form
   1,468.39/2,198.31 = 1,142.77/x
3. Step 3: Cross multiply
   1,468.39x = 2,198.31 × 1,142.77
4. Step 4: Simplify right side
   1,468.39x = 2,512,151.73
5. Step 5: Solve for x
   x = 2,512,151.73/1,468.39
6. Step 6: Final answer
   x = 1,710.83