Finding the Fourth Proportional to 22,319.50, 30,800.92 and 12,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,319.50 : 30,800.92 = 12,383.50 : x
2. Step 2: Convert to fraction form
   22,319.50/30,800.92 = 12,383.50/x
3. Step 3: Cross multiply
   22,319.50x = 30,800.92 × 12,383.50
4. Step 4: Simplify right side
   22,319.50x = 381,423,192.82
5. Step 5: Solve for x
   x = 381,423,192.82/22,319.50
6. Step 6: Final answer
   x = 17,089.24