Finding the Fourth Proportional to 37,078.87, 55,627.55 and 12,120.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,078.87 : 55,627.55 = 12,120.34 : x
2. Step 2: Convert to fraction form
   37,078.87/55,627.55 = 12,120.34/x
3. Step 3: Cross multiply
   37,078.87x = 55,627.55 × 12,120.34
4. Step 4: Simplify right side
   37,078.87x = 674,224,819.37
5. Step 5: Solve for x
   x = 674,224,819.37/37,078.87
6. Step 6: Final answer
   x = 18,183.53