Finding the Fourth Proportional to 6,787.76, 9,367.31 and 3,802.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,787.76 : 9,367.31 = 3,802.91 : x
2. Step 2: Convert to fraction form
   6,787.76/9,367.31 = 3,802.91/x
3. Step 3: Cross multiply
   6,787.76x = 9,367.31 × 3,802.91
4. Step 4: Simplify right side
   6,787.76x = 35,622,999.54
5. Step 5: Solve for x
   x = 35,622,999.54/6,787.76
6. Step 6: Final answer
   x = 5,248.13