Finding the Fourth Proportional to 12,959.14, 17,889.03 and 8,769.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959.14 : 17,889.03 = 8,769.82 : x
2. Step 2: Convert to fraction form
   12,959.14/17,889.03 = 8,769.82/x
3. Step 3: Cross multiply
   12,959.14x = 17,889.03 × 8,769.82
4. Step 4: Simplify right side
   12,959.14x = 156,883,573.07
5. Step 5: Solve for x
   x = 156,883,573.07/12,959.14
6. Step 6: Final answer
   x = 12,106.02