Finding the Fourth Proportional to 37,131.36, 55,685.31 and 12,165.67

Step by Step Solution

1. Step 1: Write the proportion equation
   37,131.36 : 55,685.31 = 12,165.67 : x
2. Step 2: Convert to fraction form
   37,131.36/55,685.31 = 12,165.67/x
3. Step 3: Cross multiply
   37,131.36x = 55,685.31 × 12,165.67
4. Step 4: Simplify right side
   37,131.36x = 677,449,105.31
5. Step 5: Solve for x
   x = 677,449,105.31/37,131.36
6. Step 6: Final answer
   x = 18,244.66