Finding the Fourth Proportional to 22,362.54, 30,861.05 and 12,291.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362.54 : 30,861.05 = 12,291.34 : x
2. Step 2: Convert to fraction form
   22,362.54/30,861.05 = 12,291.34/x
3. Step 3: Cross multiply
   22,362.54x = 30,861.05 × 12,291.34
4. Step 4: Simplify right side
   22,362.54x = 379,323,658.31
5. Step 5: Solve for x
   x = 379,323,658.31/22,362.54
6. Step 6: Final answer
   x = 16,962.46