Finding the Fourth Proportional to 19,581.55, 27,036.59 and 12,038

Step by Step Solution

1. Step 1: Write the proportion equation
   19,581.55 : 27,036.59 = 12,038 : x
2. Step 2: Convert to fraction form
   19,581.55/27,036.59 = 12,038/x
3. Step 3: Cross multiply
   19,581.55x = 27,036.59 × 12,038
4. Step 4: Simplify right side
   19,581.55x = 325,466,410.23
5. Step 5: Solve for x
   x = 325,466,410.23/19,581.55
6. Step 6: Final answer
   x = 16,621.07