Finding the Fourth Proportional to 9,375.30, 14,066.58 and 8,609.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.30 : 14,066.58 = 8,609.82 : x
2. Step 2: Convert to fraction form
   9,375.30/14,066.58 = 8,609.82/x
3. Step 3: Cross multiply
   9,375.30x = 14,066.58 × 8,609.82
4. Step 4: Simplify right side
   9,375.30x = 121,110,721.82
5. Step 5: Solve for x
   x = 121,110,721.82/9,375.30
6. Step 6: Final answer
   x = 12,918.06