Finding the Fourth Proportional to 22,144.30, 30,558.12 and 12,072.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.30 : 30,558.12 = 12,072.76 : x
2. Step 2: Convert to fraction form
   22,144.30/30,558.12 = 12,072.76/x
3. Step 3: Cross multiply
   22,144.30x = 30,558.12 × 12,072.76
4. Step 4: Simplify right side
   22,144.30x = 368,920,848.81
5. Step 5: Solve for x
   x = 368,920,848.81/22,144.30
6. Step 6: Final answer
   x = 16,659.86