Finding the Fourth Proportional to 22,467.12, 31,004.42 and 12,395.65

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.12 : 31,004.42 = 12,395.65 : x
2. Step 2: Convert to fraction form
   22,467.12/31,004.42 = 12,395.65/x
3. Step 3: Cross multiply
   22,467.12x = 31,004.42 × 12,395.65
4. Step 4: Simplify right side
   22,467.12x = 384,319,938.77
5. Step 5: Solve for x
   x = 384,319,938.77/22,467.12
6. Step 6: Final answer
   x = 17,105.88