Finding the Fourth Proportional to 4,404.30, 6,078.42 and 2,636.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,404.30 : 6,078.42 = 2,636.34 : x
2. Step 2: Convert to fraction form
   4,404.30/6,078.42 = 2,636.34/x
3. Step 3: Cross multiply
   4,404.30x = 6,078.42 × 2,636.34
4. Step 4: Simplify right side
   4,404.30x = 16,024,781.78
5. Step 5: Solve for x
   x = 16,024,781.78/4,404.30
6. Step 6: Final answer
   x = 3,638.44