Finding the Fourth Proportional to 37,159.04, 55,740.42 and 12,189

Step by Step Solution

1. Step 1: Write the proportion equation
   37,159.04 : 55,740.42 = 12,189 : x
2. Step 2: Convert to fraction form
   37,159.04/55,740.42 = 12,189/x
3. Step 3: Cross multiply
   37,159.04x = 55,740.42 × 12,189
4. Step 4: Simplify right side
   37,159.04x = 679,419,979.38
5. Step 5: Solve for x
   x = 679,419,979.38/37,159.04
6. Step 6: Final answer
   x = 18,284.11