Finding the Fourth Proportional to 22,667.51, 33,972.47 and 12,812.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.51 : 33,972.47 = 12,812.33 : x
2. Step 2: Convert to fraction form
   22,667.51/33,972.47 = 12,812.33/x
3. Step 3: Cross multiply
   22,667.51x = 33,972.47 × 12,812.33
4. Step 4: Simplify right side
   22,667.51x = 435,266,496.56
5. Step 5: Solve for x
   x = 435,266,496.56/22,667.51
6. Step 6: Final answer
   x = 19,202.22