Finding the Fourth Proportional to 6,377.72, 8,801.37 and 3,545.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,377.72 : 8,801.37 = 3,545.28 : x
2. Step 2: Convert to fraction form
   6,377.72/8,801.37 = 3,545.28/x
3. Step 3: Cross multiply
   6,377.72x = 8,801.37 × 3,545.28
4. Step 4: Simplify right side
   6,377.72x = 31,203,321.03
5. Step 5: Solve for x
   x = 31,203,321.03/6,377.72
6. Step 6: Final answer
   x = 4,892.55