Finding the Fourth Proportional to 3,020.28, 4,168.42 and 1,694.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,020.28 : 4,168.42 = 1,694.12 : x
2. Step 2: Convert to fraction form
   3,020.28/4,168.42 = 1,694.12/x
3. Step 3: Cross multiply
   3,020.28x = 4,168.42 × 1,694.12
4. Step 4: Simplify right side
   3,020.28x = 7,061,803.69
5. Step 5: Solve for x
   x = 7,061,803.69/3,020.28
6. Step 6: Final answer
   x = 2,338.13