Finding the Fourth Proportional to 3,883.68, 5,361.12 and 3,680.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883.68 : 5,361.12 = 3,680.10 : x
2. Step 2: Convert to fraction form
   3,883.68/5,361.12 = 3,680.10/x
3. Step 3: Cross multiply
   3,883.68x = 5,361.12 × 3,680.10
4. Step 4: Simplify right side
   3,883.68x = 19,729,457.71
5. Step 5: Solve for x
   x = 19,729,457.71/3,883.68
6. Step 6: Final answer
   x = 5,080.09