Finding the Fourth Proportional to 2,791.38, 3,851.82 and 1,672.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791.38 : 3,851.82 = 1,672.28 : x
2. Step 2: Convert to fraction form
   2,791.38/3,851.82 = 1,672.28/x
3. Step 3: Cross multiply
   2,791.38x = 3,851.82 × 1,672.28
4. Step 4: Simplify right side
   2,791.38x = 6,441,321.55
5. Step 5: Solve for x
   x = 6,441,321.55/2,791.38
6. Step 6: Final answer
   x = 2,307.58