Finding the Fourth Proportional to 22,064.22, 30,447.90 and 12,630.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,064.22 : 30,447.90 = 12,630.96 : x
2. Step 2: Convert to fraction form
   22,064.22/30,447.90 = 12,630.96/x
3. Step 3: Cross multiply
   22,064.22x = 30,447.90 × 12,630.96
4. Step 4: Simplify right side
   22,064.22x = 384,586,206.98
5. Step 5: Solve for x
   x = 384,586,206.98/22,064.22
6. Step 6: Final answer
   x = 17,430.31