Finding the Fourth Proportional to 22,362.05, 30,859.00 and 12,290.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362.05 : 30,859.00 = 12,290.49 : x
2. Step 2: Convert to fraction form
   22,362.05/30,859.00 = 12,290.49/x
3. Step 3: Cross multiply
   22,362.05x = 30,859.00 × 12,290.49
4. Step 4: Simplify right side
   22,362.05x = 379,272,200.18
5. Step 5: Solve for x
   x = 379,272,200.18/22,362.05
6. Step 6: Final answer
   x = 16,960.53