Finding the Fourth Proportional to 22,302, 30,776.76 and 12,366

Step by Step Solution

1. Step 1: Write the proportion equation
   22,302 : 30,776.76 = 12,366 : x
2. Step 2: Convert to fraction form
   22,302/30,776.76 = 12,366/x
3. Step 3: Cross multiply
   22,302x = 30,776.76 × 12,366
4. Step 4: Simplify right side
   22,302x = 380,585,414.16
5. Step 5: Solve for x
   x = 380,585,414.16/22,302
6. Step 6: Final answer
   x = 17,065.08