Finding the Fourth Proportional to 22,546.20, 31,114.67 and 12,474.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,546.20 : 31,114.67 = 12,474.47 : x
2. Step 2: Convert to fraction form
   22,546.20/31,114.67 = 12,474.47/x
3. Step 3: Cross multiply
   22,546.20x = 31,114.67 × 12,474.47
4. Step 4: Simplify right side
   22,546.20x = 388,139,151.15
5. Step 5: Solve for x
   x = 388,139,151.15/22,546.20
6. Step 6: Final answer
   x = 17,215.28