Finding the Fourth Proportional to 22,013.22, 33,063.90 and 13,145.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,013.22 : 33,063.90 = 13,145.88 : x
2. Step 2: Convert to fraction form
   22,013.22/33,063.90 = 13,145.88/x
3. Step 3: Cross multiply
   22,013.22x = 33,063.90 × 13,145.88
4. Step 4: Simplify right side
   22,013.22x = 434,654,061.73
5. Step 5: Solve for x
   x = 434,654,061.73/22,013.22
6. Step 6: Final answer
   x = 19,745.14