Finding the Fourth Proportional to 22,143.84, 30,558.27 and 12,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,143.84 : 30,558.27 = 12,072.25 : x
2. Step 2: Convert to fraction form
   22,143.84/30,558.27 = 12,072.25/x
3. Step 3: Cross multiply
   22,143.84x = 30,558.27 × 12,072.25
4. Step 4: Simplify right side
   22,143.84x = 368,907,075.01
5. Step 5: Solve for x
   x = 368,907,075.01/22,143.84
6. Step 6: Final answer
   x = 16,659.58