Finding the Fourth Proportional to 22,063.98, 30,447.75 and 12,631.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,063.98 : 30,447.75 = 12,631.74 : x
2. Step 2: Convert to fraction form
   22,063.98/30,447.75 = 12,631.74/x
3. Step 3: Cross multiply
   22,063.98x = 30,447.75 × 12,631.74
4. Step 4: Simplify right side
   22,063.98x = 384,608,061.59
5. Step 5: Solve for x
   x = 384,608,061.59/22,063.98
6. Step 6: Final answer
   x = 17,431.49