Finding the Fourth Proportional to 22,383.23, 30,889.10 and 12,311.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,383.23 : 30,889.10 = 12,311.83 : x
2. Step 2: Convert to fraction form
   22,383.23/30,889.10 = 12,311.83/x
3. Step 3: Cross multiply
   22,383.23x = 30,889.10 × 12,311.83
4. Step 4: Simplify right side
   22,383.23x = 380,301,193.61
5. Step 5: Solve for x
   x = 380,301,193.61/22,383.23
6. Step 6: Final answer
   x = 16,990.46