Finding the Fourth Proportional to 22,136.79, 30,548.76 and 12,200.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,136.79 : 30,548.76 = 12,200.79 : x
2. Step 2: Convert to fraction form
   22,136.79/30,548.76 = 12,200.79/x
3. Step 3: Cross multiply
   22,136.79x = 30,548.76 × 12,200.79
4. Step 4: Simplify right side
   22,136.79x = 372,719,005.52
5. Step 5: Solve for x
   x = 372,719,005.52/22,136.79
6. Step 6: Final answer
   x = 16,837.08