Finding the Fourth Proportional to 22,431.22, 30,954.52 and 12,359.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,431.22 : 30,954.52 = 12,359.47 : x
2. Step 2: Convert to fraction form
   22,431.22/30,954.52 = 12,359.47/x
3. Step 3: Cross multiply
   22,431.22x = 30,954.52 × 12,359.47
4. Step 4: Simplify right side
   22,431.22x = 382,581,461.30
5. Step 5: Solve for x
   x = 382,581,461.30/22,431.22
6. Step 6: Final answer
   x = 17,055.76