Finding the Fourth Proportional to 23,926.72, 33,019.50 and 13,171.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,926.72 : 33,019.50 = 13,171.84 : x
2. Step 2: Convert to fraction form
   23,926.72/33,019.50 = 13,171.84/x
3. Step 3: Cross multiply
   23,926.72x = 33,019.50 × 13,171.84
4. Step 4: Simplify right side
   23,926.72x = 434,927,570.88
5. Step 5: Solve for x
   x = 434,927,570.88/23,926.72
6. Step 6: Final answer
   x = 18,177.48