Finding the Fourth Proportional to 6,784.72, 10,137.85 and 5,383.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,784.72 : 10,137.85 = 5,383.45 : x
2. Step 2: Convert to fraction form
   6,784.72/10,137.85 = 5,383.45/x
3. Step 3: Cross multiply
   6,784.72x = 10,137.85 × 5,383.45
4. Step 4: Simplify right side
   6,784.72x = 54,576,608.58
5. Step 5: Solve for x
   x = 54,576,608.58/6,784.72
6. Step 6: Final answer
   x = 8,044.05