Finding the Fourth Proportional to 23,162.22, 34,789.82 and 13,820.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.22 : 34,789.82 = 13,820.47 : x
2. Step 2: Convert to fraction form
   23,162.22/34,789.82 = 13,820.47/x
3. Step 3: Cross multiply
   23,162.22x = 34,789.82 × 13,820.47
4. Step 4: Simplify right side
   23,162.22x = 480,811,663.62
5. Step 5: Solve for x
   x = 480,811,663.62/23,162.22
6. Step 6: Final answer
   x = 20,758.44