Finding the Fourth Proportional to 1,768.97, 2,654.54 and 1,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.97 : 2,654.54 = 1,111.25 : x
2. Step 2: Convert to fraction form
   1,768.97/2,654.54 = 1,111.25/x
3. Step 3: Cross multiply
   1,768.97x = 2,654.54 × 1,111.25
4. Step 4: Simplify right side
   1,768.97x = 2,949,857.58
5. Step 5: Solve for x
   x = 2,949,857.58/1,768.97
6. Step 6: Final answer
   x = 1,667.56