Finding the Fourth Proportional to 37,178.82, 55,771.83 and 12,217.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,178.82 : 55,771.83 = 12,217.86 : x
2. Step 2: Convert to fraction form
   37,178.82/55,771.83 = 12,217.86/x
3. Step 3: Cross multiply
   37,178.82x = 55,771.83 × 12,217.86
4. Step 4: Simplify right side
   37,178.82x = 681,412,410.88
5. Step 5: Solve for x
   x = 681,412,410.88/37,178.82
6. Step 6: Final answer
   x = 18,327.97