Finding the Fourth Proportional to 22,136.16, 30,547.89 and 12,200.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,136.16 : 30,547.89 = 12,200.16 : x
2. Step 2: Convert to fraction form
   22,136.16/30,547.89 = 12,200.16/x
3. Step 3: Cross multiply
   22,136.16x = 30,547.89 × 12,200.16
4. Step 4: Simplify right side
   22,136.16x = 372,689,145.66
5. Step 5: Solve for x
   x = 372,689,145.66/22,136.16
6. Step 6: Final answer
   x = 16,836.21