Finding the Fourth Proportional to 22,214.69, 30,656.27 and 12,278.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,214.69 : 30,656.27 = 12,278.69 : x
2. Step 2: Convert to fraction form
   22,214.69/30,656.27 = 12,278.69/x
3. Step 3: Cross multiply
   22,214.69x = 30,656.27 × 12,278.69
4. Step 4: Simplify right side
   22,214.69x = 376,418,835.89
5. Step 5: Solve for x
   x = 376,418,835.89/22,214.69
6. Step 6: Final answer
   x = 16,944.59