Finding the Fourth Proportional to 8,069.23, 12,086.83 and 3,690.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,069.23 : 12,086.83 = 3,690.37 : x
2. Step 2: Convert to fraction form
   8,069.23/12,086.83 = 3,690.37/x
3. Step 3: Cross multiply
   8,069.23x = 12,086.83 × 3,690.37
4. Step 4: Simplify right side
   8,069.23x = 44,604,795.94
5. Step 5: Solve for x
   x = 44,604,795.94/8,069.23
6. Step 6: Final answer
   x = 5,527.77