Finding the Fourth Proportional to 12,649.59, 17,455.52 and 6,983.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,649.59 : 17,455.52 = 6,983.42 : x
2. Step 2: Convert to fraction form
   12,649.59/17,455.52 = 6,983.42/x
3. Step 3: Cross multiply
   12,649.59x = 17,455.52 × 6,983.42
4. Step 4: Simplify right side
   12,649.59x = 121,899,105.28
5. Step 5: Solve for x
   x = 121,899,105.28/12,649.59
6. Step 6: Final answer
   x = 9,636.61