Finding the Fourth Proportional to 22,380.50, 30,878.82 and 14,427.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,380.50 : 30,878.82 = 14,427.38 : x
2. Step 2: Convert to fraction form
   22,380.50/30,878.82 = 14,427.38/x
3. Step 3: Cross multiply
   22,380.50x = 30,878.82 × 14,427.38
4. Step 4: Simplify right side
   22,380.50x = 445,500,547.29
5. Step 5: Solve for x
   x = 445,500,547.29/22,380.50
6. Step 6: Final answer
   x = 19,905.74