Finding the Fourth Proportional to 22,319.93, 30,801.89 and 12,249.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,319.93 : 30,801.89 = 12,249.31 : x
2. Step 2: Convert to fraction form
   22,319.93/30,801.89 = 12,249.31/x
3. Step 3: Cross multiply
   22,319.93x = 30,801.89 × 12,249.31
4. Step 4: Simplify right side
   22,319.93x = 377,301,929.34
5. Step 5: Solve for x
   x = 377,301,929.34/22,319.93
6. Step 6: Final answer
   x = 16,904.26