Finding the Fourth Proportional to 17,882.78, 24,682.78 and 12,219.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,882.78 : 24,682.78 = 12,219.82 : x
2. Step 2: Convert to fraction form
   17,882.78/24,682.78 = 12,219.82/x
3. Step 3: Cross multiply
   17,882.78x = 24,682.78 × 12,219.82
4. Step 4: Simplify right side
   17,882.78x = 301,619,128.70
5. Step 5: Solve for x
   x = 301,619,128.70/17,882.78
6. Step 6: Final answer
   x = 16,866.46