Finding the Fourth Proportional to 22,245.17, 30,698.18 and 12,173.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,245.17 : 30,698.18 = 12,173.42 : x
2. Step 2: Convert to fraction form
   22,245.17/30,698.18 = 12,173.42/x
3. Step 3: Cross multiply
   22,245.17x = 30,698.18 × 12,173.42
4. Step 4: Simplify right side
   22,245.17x = 373,701,777.51
5. Step 5: Solve for x
   x = 373,701,777.51/22,245.17
6. Step 6: Final answer
   x = 16,799.23