Finding the Fourth Proportional to 12,674.27, 17,486.16 and 7,636.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,674.27 : 17,486.16 = 7,636.59 : x
2. Step 2: Convert to fraction form
   12,674.27/17,486.16 = 7,636.59/x
3. Step 3: Cross multiply
   12,674.27x = 17,486.16 × 7,636.59
4. Step 4: Simplify right side
   12,674.27x = 133,534,634.59
5. Step 5: Solve for x
   x = 133,534,634.59/12,674.27
6. Step 6: Final answer
   x = 10,535.88