Finding the Fourth Proportional to 12,803.86, 17,676.30 and 8,846.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803.86 : 17,676.30 = 8,846.28 : x
2. Step 2: Convert to fraction form
   12,803.86/17,676.30 = 8,846.28/x
3. Step 3: Cross multiply
   12,803.86x = 17,676.30 × 8,846.28
4. Step 4: Simplify right side
   12,803.86x = 156,369,499.16
5. Step 5: Solve for x
   x = 156,369,499.16/12,803.86
6. Step 6: Final answer
   x = 12,212.68