Finding the Fourth Proportional to 12,630.94, 18,922.17 and 7,067.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,630.94 : 18,922.17 = 7,067.43 : x
2. Step 2: Convert to fraction form
   12,630.94/18,922.17 = 7,067.43/x
3. Step 3: Cross multiply
   12,630.94x = 18,922.17 × 7,067.43
4. Step 4: Simplify right side
   12,630.94x = 133,731,111.92
5. Step 5: Solve for x
   x = 133,731,111.92/12,630.94
6. Step 6: Final answer
   x = 10,587.58