Finding the Fourth Proportional to 12,118.82, 16,703.40 and 9,246.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,118.82 : 16,703.40 = 9,246.56 : x
2. Step 2: Convert to fraction form
   12,118.82/16,703.40 = 9,246.56/x
3. Step 3: Cross multiply
   12,118.82x = 16,703.40 × 9,246.56
4. Step 4: Simplify right side
   12,118.82x = 154,448,990.30
5. Step 5: Solve for x
   x = 154,448,990.30/12,118.82
6. Step 6: Final answer
   x = 12,744.56