Finding the Fourth Proportional to 3,808.28, 5,705.22 and 3,649.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,808.28 : 5,705.22 = 3,649.98 : x
2. Step 2: Convert to fraction form
   3,808.28/5,705.22 = 3,649.98/x
3. Step 3: Cross multiply
   3,808.28x = 5,705.22 × 3,649.98
4. Step 4: Simplify right side
   3,808.28x = 20,823,938.90
5. Step 5: Solve for x
   x = 20,823,938.90/3,808.28
6. Step 6: Final answer
   x = 5,468.07