Finding the Fourth Proportional to 13,042.20, 19,468.59 and 12,081

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.20 : 19,468.59 = 12,081 : x
2. Step 2: Convert to fraction form
   13,042.20/19,468.59 = 12,081/x
3. Step 3: Cross multiply
   13,042.20x = 19,468.59 × 12,081
4. Step 4: Simplify right side
   13,042.20x = 235,200,035.79
5. Step 5: Solve for x
   x = 235,200,035.79/13,042.20
6. Step 6: Final answer
   x = 18,033.77