Finding the Fourth Proportional to 22,044, 30,420.72 and 12,108

Step by Step Solution

1. Step 1: Write the proportion equation
   22,044 : 30,420.72 = 12,108 : x
2. Step 2: Convert to fraction form
   22,044/30,420.72 = 12,108/x
3. Step 3: Cross multiply
   22,044x = 30,420.72 × 12,108
4. Step 4: Simplify right side
   22,044x = 368,334,077.76
5. Step 5: Solve for x
   x = 368,334,077.76/22,044
6. Step 6: Final answer
   x = 16,709.04