Finding the Fourth Proportional to 4,104.02, 6,155.34 and 1,638.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,104.02 : 6,155.34 = 1,638.17 : x
2. Step 2: Convert to fraction form
   4,104.02/6,155.34 = 1,638.17/x
3. Step 3: Cross multiply
   4,104.02x = 6,155.34 × 1,638.17
4. Step 4: Simplify right side
   4,104.02x = 10,083,523.33
5. Step 5: Solve for x
   x = 10,083,523.33/4,104.02
6. Step 6: Final answer
   x = 2,456.99