Finding the Fourth Proportional to 12,167.63, 18,130.47 and 10,841.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,167.63 : 18,130.47 = 10,841.18 : x
2. Step 2: Convert to fraction form
   12,167.63/18,130.47 = 10,841.18/x
3. Step 3: Cross multiply
   12,167.63x = 18,130.47 × 10,841.18
4. Step 4: Simplify right side
   12,167.63x = 196,555,598.10
5. Step 5: Solve for x
   x = 196,555,598.10/12,167.63
6. Step 6: Final answer
   x = 16,153.98