Finding the Fourth Proportional to 22,653, 33,871.37 and 20,667.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,653 : 33,871.37 = 20,667.89 : x
2. Step 2: Convert to fraction form
   22,653/33,871.37 = 20,667.89/x
3. Step 3: Cross multiply
   22,653x = 33,871.37 × 20,667.89
4. Step 4: Simplify right side
   22,653x = 700,049,730.65
5. Step 5: Solve for x
   x = 700,049,730.65/22,653
6. Step 6: Final answer
   x = 30,903.18