Finding the Fourth Proportional to 8,085.81, 12,119.72 and 3,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.81 : 12,119.72 = 3,404.43 : x
2. Step 2: Convert to fraction form
   8,085.81/12,119.72 = 3,404.43/x
3. Step 3: Cross multiply
   8,085.81x = 12,119.72 × 3,404.43
4. Step 4: Simplify right side
   8,085.81x = 41,260,721.34
5. Step 5: Solve for x
   x = 41,260,721.34/8,085.81
6. Step 6: Final answer
   x = 5,102.86