Finding the Fourth Proportional to 8,443.71, 12,667.05 and 3,510.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.71 : 12,667.05 = 3,510.81 : x
2. Step 2: Convert to fraction form
   8,443.71/12,667.05 = 3,510.81/x
3. Step 3: Cross multiply
   8,443.71x = 12,667.05 × 3,510.81
4. Step 4: Simplify right side
   8,443.71x = 44,471,605.81
5. Step 5: Solve for x
   x = 44,471,605.81/8,443.71
6. Step 6: Final answer
   x = 5,266.83