Finding the Fourth Proportional to 12,044.82, 18,070.88 and 8,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,044.82 : 18,070.88 = 8,541.60 : x
2. Step 2: Convert to fraction form
   12,044.82/18,070.88 = 8,541.60/x
3. Step 3: Cross multiply
   12,044.82x = 18,070.88 × 8,541.60
4. Step 4: Simplify right side
   12,044.82x = 154,354,228.61
5. Step 5: Solve for x
   x = 154,354,228.61/12,044.82
6. Step 6: Final answer
   x = 12,814.99