Finding the Fourth Proportional to 22,063.72, 30,449.12 and 12,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,063.72 : 30,449.12 = 12,633.72 : x
2. Step 2: Convert to fraction form
   22,063.72/30,449.12 = 12,633.72/x
3. Step 3: Cross multiply
   22,063.72x = 30,449.12 × 12,633.72
4. Step 4: Simplify right side
   22,063.72x = 384,685,656.33
5. Step 5: Solve for x
   x = 384,685,656.33/22,063.72
6. Step 6: Final answer
   x = 17,435.21