Finding the Fourth Proportional to 37,082.35, 55,629.59 and 12,115.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,082.35 : 55,629.59 = 12,115.15 : x
2. Step 2: Convert to fraction form
   37,082.35/55,629.59 = 12,115.15/x
3. Step 3: Cross multiply
   37,082.35x = 55,629.59 × 12,115.15
4. Step 4: Simplify right side
   37,082.35x = 673,960,827.29
5. Step 5: Solve for x
   x = 673,960,827.29/37,082.35
6. Step 6: Final answer
   x = 18,174.71