Finding the Fourth Proportional to 1,935.75, 2,672.00 and 1,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,935.75 : 2,672.00 = 1,208.72 : x
2. Step 2: Convert to fraction form
   1,935.75/2,672.00 = 1,208.72/x
3. Step 3: Cross multiply
   1,935.75x = 2,672.00 × 1,208.72
4. Step 4: Simplify right side
   1,935.75x = 3,229,680.44
5. Step 5: Solve for x
   x = 3,229,680.44/1,935.75
6. Step 6: Final answer
   x = 1,668.44