Finding the Fourth Proportional to 22,234.49, 30,686.54 and 12,677.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,234.49 : 30,686.54 = 12,677.83 : x
2. Step 2: Convert to fraction form
   22,234.49/30,686.54 = 12,677.83/x
3. Step 3: Cross multiply
   22,234.49x = 30,686.54 × 12,677.83
4. Step 4: Simplify right side
   22,234.49x = 389,038,597.30
5. Step 5: Solve for x
   x = 389,038,597.30/22,234.49
6. Step 6: Final answer
   x = 17,497.08