Finding the Fourth Proportional to 12,997.08, 17,934.78 and 7,959

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997.08 : 17,934.78 = 7,959 : x
2. Step 2: Convert to fraction form
   12,997.08/17,934.78 = 7,959/x
3. Step 3: Cross multiply
   12,997.08x = 17,934.78 × 7,959
4. Step 4: Simplify right side
   12,997.08x = 142,742,914.02
5. Step 5: Solve for x
   x = 142,742,914.02/12,997.08
6. Step 6: Final answer
   x = 10,982.69