Finding the Fourth Proportional to 22,467.89, 31,005.59 and 12,396.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.89 : 31,005.59 = 12,396.95 : x
2. Step 2: Convert to fraction form
   22,467.89/31,005.59 = 12,396.95/x
3. Step 3: Cross multiply
   22,467.89x = 31,005.59 × 12,396.95
4. Step 4: Simplify right side
   22,467.89x = 384,374,857.46
5. Step 5: Solve for x
   x = 384,374,857.46/22,467.89
6. Step 6: Final answer
   x = 17,107.75