Finding the Fourth Proportional to 37,243, 55,865.94 and 12,619

Step by Step Solution

1. Step 1: Write the proportion equation
   37,243 : 55,865.94 = 12,619 : x
2. Step 2: Convert to fraction form
   37,243/55,865.94 = 12,619/x
3. Step 3: Cross multiply
   37,243x = 55,865.94 × 12,619
4. Step 4: Simplify right side
   37,243x = 704,972,296.86
5. Step 5: Solve for x
   x = 704,972,296.86/37,243
6. Step 6: Final answer
   x = 18,928.99