Finding the Fourth Proportional to 22,384.98, 30,892.32 and 12,951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.98 : 30,892.32 = 12,951.72 : x
2. Step 2: Convert to fraction form
   22,384.98/30,892.32 = 12,951.72/x
3. Step 3: Cross multiply
   22,384.98x = 30,892.32 × 12,951.72
4. Step 4: Simplify right side
   22,384.98x = 400,108,678.79
5. Step 5: Solve for x
   x = 400,108,678.79/22,384.98
6. Step 6: Final answer
   x = 17,873.98