Finding the Fourth Proportional to 37,098.82, 55,651.68 and 12,139.03

Step by Step Solution

1. Step 1: Write the proportion equation
   37,098.82 : 55,651.68 = 12,139.03 : x
2. Step 2: Convert to fraction form
   37,098.82/55,651.68 = 12,139.03/x
3. Step 3: Cross multiply
   37,098.82x = 55,651.68 × 12,139.03
4. Step 4: Simplify right side
   37,098.82x = 675,557,413.07
5. Step 5: Solve for x
   x = 675,557,413.07/37,098.82
6. Step 6: Final answer
   x = 18,209.67