Finding the Fourth Proportional to 12,984.77, 17,918.96 and 7,016.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.77 : 17,918.96 = 7,016.42 : x
2. Step 2: Convert to fraction form
   12,984.77/17,918.96 = 7,016.42/x
3. Step 3: Cross multiply
   12,984.77x = 17,918.96 × 7,016.42
4. Step 4: Simplify right side
   12,984.77x = 125,726,959.04
5. Step 5: Solve for x
   x = 125,726,959.04/12,984.77
6. Step 6: Final answer
   x = 9,682.65