Finding the Fourth Proportional to 6,791.31, 9,371.88 and 3,807.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,791.31 : 9,371.88 = 3,807.27 : x
2. Step 2: Convert to fraction form
   6,791.31/9,371.88 = 3,807.27/x
3. Step 3: Cross multiply
   6,791.31x = 9,371.88 × 3,807.27
4. Step 4: Simplify right side
   6,791.31x = 35,681,277.57
5. Step 5: Solve for x
   x = 35,681,277.57/6,791.31
6. Step 6: Final answer
   x = 5,253.96