Finding the Fourth Proportional to 22,136, 30,547.99 and 12,704.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,136 : 30,547.99 = 12,704.56 : x
2. Step 2: Convert to fraction form
   22,136/30,547.99 = 12,704.56/x
3. Step 3: Cross multiply
   22,136x = 30,547.99 × 12,704.56
4. Step 4: Simplify right side
   22,136x = 388,098,771.83
5. Step 5: Solve for x
   x = 388,098,771.83/22,136
6. Step 6: Final answer
   x = 17,532.47