Finding the Fourth Proportional to 12,375.27, 17,078.31 and 8,846.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,375.27 : 17,078.31 = 8,846.91 : x
2. Step 2: Convert to fraction form
   12,375.27/17,078.31 = 8,846.91/x
3. Step 3: Cross multiply
   12,375.27x = 17,078.31 × 8,846.91
4. Step 4: Simplify right side
   12,375.27x = 151,090,271.52
5. Step 5: Solve for x
   x = 151,090,271.52/12,375.27
6. Step 6: Final answer
   x = 12,209.05