Finding the Fourth Proportional to 3,705.03, 5,086.17 and 3,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.03 : 5,086.17 = 3,180.15 : x
2. Step 2: Convert to fraction form
   3,705.03/5,086.17 = 3,180.15/x
3. Step 3: Cross multiply
   3,705.03x = 5,086.17 × 3,180.15
4. Step 4: Simplify right side
   3,705.03x = 16,174,783.53
5. Step 5: Solve for x
   x = 16,174,783.53/3,705.03
6. Step 6: Final answer
   x = 4,365.63