Finding the Fourth Proportional to 6,436.72, 8,882.49 and 3,783.97

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.72 : 8,882.49 = 3,783.97 : x
2. Step 2: Convert to fraction form
   6,436.72/8,882.49 = 3,783.97/x
3. Step 3: Cross multiply
   6,436.72x = 8,882.49 × 3,783.97
4. Step 4: Simplify right side
   6,436.72x = 33,611,075.69
5. Step 5: Solve for x
   x = 33,611,075.69/6,436.72
6. Step 6: Final answer
   x = 5,221.77