Finding the Fourth Proportional to 22,736.93, 31,379.27 and 12,667.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,736.93 : 31,379.27 = 12,667.01 : x
2. Step 2: Convert to fraction form
   22,736.93/31,379.27 = 12,667.01/x
3. Step 3: Cross multiply
   22,736.93x = 31,379.27 × 12,667.01
4. Step 4: Simplify right side
   22,736.93x = 397,481,306.65
5. Step 5: Solve for x
   x = 397,481,306.65/22,736.93
6. Step 6: Final answer
   x = 17,481.75