Finding the Fourth Proportional to 22,353.14, 30,845.96 and 12,279.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,353.14 : 30,845.96 = 12,279.62 : x
2. Step 2: Convert to fraction form
   22,353.14/30,845.96 = 12,279.62/x
3. Step 3: Cross multiply
   22,353.14x = 30,845.96 × 12,279.62
4. Step 4: Simplify right side
   22,353.14x = 378,776,667.34
5. Step 5: Solve for x
   x = 378,776,667.34/22,353.14
6. Step 6: Final answer
   x = 16,945.12