Finding the Fourth Proportional to 12,043.82, 18,069.38 and 8,540.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.82 : 18,069.38 = 8,540.60 : x
2. Step 2: Convert to fraction form
   12,043.82/18,069.38 = 8,540.60/x
3. Step 3: Cross multiply
   12,043.82x = 18,069.38 × 8,540.60
4. Step 4: Simplify right side
   12,043.82x = 154,323,213.78
5. Step 5: Solve for x
   x = 154,323,213.78/12,043.82
6. Step 6: Final answer
   x = 12,813.48