Finding the Fourth Proportional to 19,618.83, 27,066.56 and 12,059.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,618.83 : 27,066.56 = 12,059.10 : x
2. Step 2: Convert to fraction form
   19,618.83/27,066.56 = 12,059.10/x
3. Step 3: Cross multiply
   19,618.83x = 27,066.56 × 12,059.10
4. Step 4: Simplify right side
   19,618.83x = 326,398,293.40
5. Step 5: Solve for x
   x = 326,398,293.40/19,618.83
6. Step 6: Final answer
   x = 16,636.99