Finding the Fourth Proportional to 22,467.87, 31,005.78 and 12,396.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.87 : 31,005.78 = 12,396.32 : x
2. Step 2: Convert to fraction form
   22,467.87/31,005.78 = 12,396.32/x
3. Step 3: Cross multiply
   22,467.87x = 31,005.78 × 12,396.32
4. Step 4: Simplify right side
   22,467.87x = 384,357,353.72
5. Step 5: Solve for x
   x = 384,357,353.72/22,467.87
6. Step 6: Final answer
   x = 17,106.98