Finding the Fourth Proportional to 22,967.49, 31,692.72 and 12,897.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,967.49 : 31,692.72 = 12,897.03 : x
2. Step 2: Convert to fraction form
   22,967.49/31,692.72 = 12,897.03/x
3. Step 3: Cross multiply
   22,967.49x = 31,692.72 × 12,897.03
4. Step 4: Simplify right side
   22,967.49x = 408,741,960.62
5. Step 5: Solve for x
   x = 408,741,960.62/22,967.49
6. Step 6: Final answer
   x = 17,796.54