Finding the Fourth Proportional to 12,404.96, 18,605.34 and 4,085.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.96 : 18,605.34 = 4,085.08 : x
2. Step 2: Convert to fraction form
   12,404.96/18,605.34 = 4,085.08/x
3. Step 3: Cross multiply
   12,404.96x = 18,605.34 × 4,085.08
4. Step 4: Simplify right side
   12,404.96x = 76,004,302.33
5. Step 5: Solve for x
   x = 76,004,302.33/12,404.96
6. Step 6: Final answer
   x = 6,126.93