Finding the Fourth Proportional to 4,111.28, 6,170.10 and 1,646.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.28 : 6,170.10 = 1,646.34 : x
2. Step 2: Convert to fraction form
   4,111.28/6,170.10 = 1,646.34/x
3. Step 3: Cross multiply
   4,111.28x = 6,170.10 × 1,646.34
4. Step 4: Simplify right side
   4,111.28x = 10,158,082.43
5. Step 5: Solve for x
   x = 10,158,082.43/4,111.28
6. Step 6: Final answer
   x = 2,470.79