Finding the Fourth Proportional to 22,362, 30,859.56 and 12,936.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362 : 30,859.56 = 12,936.03 : x
2. Step 2: Convert to fraction form
   22,362/30,859.56 = 12,936.03/x
3. Step 3: Cross multiply
   22,362x = 30,859.56 × 12,936.03
4. Step 4: Simplify right side
   22,362x = 399,200,193.95
5. Step 5: Solve for x
   x = 399,200,193.95/22,362
6. Step 6: Final answer
   x = 17,851.72