Finding the Fourth Proportional to 7,085.81, 10,623.91 and 3,967.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.81 : 10,623.91 = 3,967.96 : x
2. Step 2: Convert to fraction form
   7,085.81/10,623.91 = 3,967.96/x
3. Step 3: Cross multiply
   7,085.81x = 10,623.91 × 3,967.96
4. Step 4: Simplify right side
   7,085.81x = 42,155,249.92
5. Step 5: Solve for x
   x = 42,155,249.92/7,085.81
6. Step 6: Final answer
   x = 5,949.25