Finding the Fourth Proportional to 22,380.22, 30,883.99 and 12,308.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,380.22 : 30,883.99 = 12,308.63 : x
2. Step 2: Convert to fraction form
   22,380.22/30,883.99 = 12,308.63/x
3. Step 3: Cross multiply
   22,380.22x = 30,883.99 × 12,308.63
4. Step 4: Simplify right side
   22,380.22x = 380,139,605.83
5. Step 5: Solve for x
   x = 380,139,605.83/22,380.22
6. Step 6: Final answer
   x = 16,985.52