Finding the Fourth Proportional to 22,441.78, 30,971.43 and 12,372.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,441.78 : 30,971.43 = 12,372.01 : x
2. Step 2: Convert to fraction form
   22,441.78/30,971.43 = 12,372.01/x
3. Step 3: Cross multiply
   22,441.78x = 30,971.43 × 12,372.01
4. Step 4: Simplify right side
   22,441.78x = 383,178,841.67
5. Step 5: Solve for x
   x = 383,178,841.67/22,441.78
6. Step 6: Final answer
   x = 17,074.35