Finding the Fourth Proportional to 12,807.08, 17,680.72 and 8,849.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.08 : 17,680.72 = 8,849.46 : x
2. Step 2: Convert to fraction form
   12,807.08/17,680.72 = 8,849.46/x
3. Step 3: Cross multiply
   12,807.08x = 17,680.72 × 8,849.46
4. Step 4: Simplify right side
   12,807.08x = 156,464,824.41
5. Step 5: Solve for x
   x = 156,464,824.41/12,807.08
6. Step 6: Final answer
   x = 12,217.06