Finding the Fourth Proportional to 22,196.16, 30,598.92 and 13,692.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.16 : 30,598.92 = 13,692.60 : x
2. Step 2: Convert to fraction form
   22,196.16/30,598.92 = 13,692.60/x
3. Step 3: Cross multiply
   22,196.16x = 30,598.92 × 13,692.60
4. Step 4: Simplify right side
   22,196.16x = 418,978,771.99
5. Step 5: Solve for x
   x = 418,978,771.99/22,196.16
6. Step 6: Final answer
   x = 18,876.18