Finding the Fourth Proportional to 23,221.05, 32,047.79 and 13,789.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,221.05 : 32,047.79 = 13,789.62 : x
2. Step 2: Convert to fraction form
   23,221.05/32,047.79 = 13,789.62/x
3. Step 3: Cross multiply
   23,221.05x = 32,047.79 × 13,789.62
4. Step 4: Simplify right side
   23,221.05x = 441,926,745.03
5. Step 5: Solve for x
   x = 441,926,745.03/23,221.05
6. Step 6: Final answer
   x = 19,031.30