Finding the Fourth Proportional to 22,441.37, 30,969.30 and 12,370.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.37 : 30,969.30 = 12,370.20 : x
2. Step 2: Convert to fraction form
   22,441.37/30,969.30 = 12,370.20/x
3. Step 3: Cross multiply
   22,441.37x = 30,969.30 × 12,370.20
4. Step 4: Simplify right side
   22,441.37x = 383,096,434.86
5. Step 5: Solve for x
   x = 383,096,434.86/22,441.37
6. Step 6: Final answer
   x = 17,070.99