Finding the Fourth Proportional to 22,384.70, 30,888.46 and 12,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.70 : 30,888.46 = 12,951.50 : x
2. Step 2: Convert to fraction form
   22,384.70/30,888.46 = 12,951.50/x
3. Step 3: Cross multiply
   22,384.70x = 30,888.46 × 12,951.50
4. Step 4: Simplify right side
   22,384.70x = 400,051,889.69
5. Step 5: Solve for x
   x = 400,051,889.69/22,384.70
6. Step 6: Final answer
   x = 17,871.67