Finding the Fourth Proportional to 1,767.72, 2,656.32 and 1,667

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.72 : 2,656.32 = 1,667 : x
2. Step 2: Convert to fraction form
   1,767.72/2,656.32 = 1,667/x
3. Step 3: Cross multiply
   1,767.72x = 2,656.32 × 1,667
4. Step 4: Simplify right side
   1,767.72x = 4,428,085.44
5. Step 5: Solve for x
   x = 4,428,085.44/1,767.72
6. Step 6: Final answer
   x = 2,504.97