Finding the Fourth Proportional to 22,441.32, 30,967.56 and 12,369.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.32 : 30,967.56 = 12,369.20 : x
2. Step 2: Convert to fraction form
   22,441.32/30,967.56 = 12,369.20/x
3. Step 3: Cross multiply
   22,441.32x = 30,967.56 × 12,369.20
4. Step 4: Simplify right side
   22,441.32x = 383,043,788.31
5. Step 5: Solve for x
   x = 383,043,788.31/22,441.32
6. Step 6: Final answer
   x = 17,068.68