Finding the Fourth Proportional to 22,447.98, 30,977.46 and 12,376.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,447.98 : 30,977.46 = 12,376.26 : x
2. Step 2: Convert to fraction form
   22,447.98/30,977.46 = 12,376.26/x
3. Step 3: Cross multiply
   22,447.98x = 30,977.46 × 12,376.26
4. Step 4: Simplify right side
   22,447.98x = 383,385,099.10
5. Step 5: Solve for x
   x = 383,385,099.10/22,447.98
6. Step 6: Final answer
   x = 17,078.82