Finding the Fourth Proportional to 22,272, 30,735.42 and 12,336

Step by Step Solution

1. Step 1: Write the proportion equation
   22,272 : 30,735.42 = 12,336 : x
2. Step 2: Convert to fraction form
   22,272/30,735.42 = 12,336/x
3. Step 3: Cross multiply
   22,272x = 30,735.42 × 12,336
4. Step 4: Simplify right side
   22,272x = 379,152,141.12
5. Step 5: Solve for x
   x = 379,152,141.12/22,272
6. Step 6: Final answer
   x = 17,023.71