Finding the Fourth Proportional to 22,608.14, 31,205.72 and 13,654.13

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.14 : 31,205.72 = 13,654.13 : x
2. Step 2: Convert to fraction form
   22,608.14/31,205.72 = 13,654.13/x
3. Step 3: Cross multiply
   22,608.14x = 31,205.72 × 13,654.13
4. Step 4: Simplify right side
   22,608.14x = 426,086,957.62
5. Step 5: Solve for x
   x = 426,086,957.62/22,608.14
6. Step 6: Final answer
   x = 18,846.62