Finding the Fourth Proportional to 3,880.28, 5,820.72 and 1,414.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880.28 : 5,820.72 = 1,414.10 : x
2. Step 2: Convert to fraction form
   3,880.28/5,820.72 = 1,414.10/x
3. Step 3: Cross multiply
   3,880.28x = 5,820.72 × 1,414.10
4. Step 4: Simplify right side
   3,880.28x = 8,231,080.15
5. Step 5: Solve for x
   x = 8,231,080.15/3,880.28
6. Step 6: Final answer
   x = 2,121.26