Finding the Fourth Proportional to 9,546.06, 14,287.98 and 8,636.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,546.06 : 14,287.98 = 8,636.70 : x
2. Step 2: Convert to fraction form
   9,546.06/14,287.98 = 8,636.70/x
3. Step 3: Cross multiply
   9,546.06x = 14,287.98 × 8,636.70
4. Step 4: Simplify right side
   9,546.06x = 123,400,996.87
5. Step 5: Solve for x
   x = 123,400,996.87/9,546.06
6. Step 6: Final answer
   x = 12,926.90