Finding the Fourth Proportional to 31,945.98, 47,917.26 and 12,223.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,945.98 : 47,917.26 = 12,223.02 : x
2. Step 2: Convert to fraction form
   31,945.98/47,917.26 = 12,223.02/x
3. Step 3: Cross multiply
   31,945.98x = 47,917.26 × 12,223.02
4. Step 4: Simplify right side
   31,945.98x = 585,693,627.33
5. Step 5: Solve for x
   x = 585,693,627.33/31,945.98
6. Step 6: Final answer
   x = 18,333.88