Finding the Fourth Proportional to 23,776.71, 32,811.81 and 13,167

Step by Step Solution

1. Step 1: Write the proportion equation
   23,776.71 : 32,811.81 = 13,167 : x
2. Step 2: Convert to fraction form
   23,776.71/32,811.81 = 13,167/x
3. Step 3: Cross multiply
   23,776.71x = 32,811.81 × 13,167
4. Step 4: Simplify right side
   23,776.71x = 432,033,102.27
5. Step 5: Solve for x
   x = 432,033,102.27/23,776.71
6. Step 6: Final answer
   x = 18,170.43