Finding the Fourth Proportional to 22,245.34, 30,698.10 and 12,173.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,245.34 : 30,698.10 = 12,173.74 : x
2. Step 2: Convert to fraction form
   22,245.34/30,698.10 = 12,173.74/x
3. Step 3: Cross multiply
   22,245.34x = 30,698.10 × 12,173.74
4. Step 4: Simplify right side
   22,245.34x = 373,710,687.89
5. Step 5: Solve for x
   x = 373,710,687.89/22,245.34
6. Step 6: Final answer
   x = 16,799.50