Finding the Fourth Proportional to 6,447.84, 8,897.94 and 3,796.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,447.84 : 8,897.94 = 3,796.80 : x
2. Step 2: Convert to fraction form
   6,447.84/8,897.94 = 3,796.80/x
3. Step 3: Cross multiply
   6,447.84x = 8,897.94 × 3,796.80
4. Step 4: Simplify right side
   6,447.84x = 33,783,698.59
5. Step 5: Solve for x
   x = 33,783,698.59/6,447.84
6. Step 6: Final answer
   x = 5,239.54