Finding the Fourth Proportional to 22,077.96, 30,469.29 and 12,646.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.96 : 30,469.29 = 12,646.71 : x
2. Step 2: Convert to fraction form
   22,077.96/30,469.29 = 12,646.71/x
3. Step 3: Cross multiply
   22,077.96x = 30,469.29 × 12,646.71
4. Step 4: Simplify right side
   22,077.96x = 385,336,274.54
5. Step 5: Solve for x
   x = 385,336,274.54/22,077.96
6. Step 6: Final answer
   x = 17,453.44