Finding the Fourth Proportional to 12,615.82, 18,923.57 and 3,850.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615.82 : 18,923.57 = 3,850.76 : x
2. Step 2: Convert to fraction form
   12,615.82/18,923.57 = 3,850.76/x
3. Step 3: Cross multiply
   12,615.82x = 18,923.57 × 3,850.76
4. Step 4: Simplify right side
   12,615.82x = 72,870,126.41
5. Step 5: Solve for x
   x = 72,870,126.41/12,615.82
6. Step 6: Final answer
   x = 5,776.09