Finding the Fourth Proportional to 22,159.01, 30,577.86 and 12,469.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,159.01 : 30,577.86 = 12,469.88 : x
2. Step 2: Convert to fraction form
   22,159.01/30,577.86 = 12,469.88/x
3. Step 3: Cross multiply
   22,159.01x = 30,577.86 × 12,469.88
4. Step 4: Simplify right side
   22,159.01x = 381,302,244.86
5. Step 5: Solve for x
   x = 381,302,244.86/22,159.01
6. Step 6: Final answer
   x = 17,207.55