Finding the Fourth Proportional to 22,068.50, 30,454.73 and 11,996.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,068.50 : 30,454.73 = 11,996.96 : x
2. Step 2: Convert to fraction form
   22,068.50/30,454.73 = 11,996.96/x
3. Step 3: Cross multiply
   22,068.50x = 30,454.73 × 11,996.96
4. Step 4: Simplify right side
   22,068.50x = 365,364,079.57
5. Step 5: Solve for x
   x = 365,364,079.57/22,068.50
6. Step 6: Final answer
   x = 16,555.91