Finding the Fourth Proportional to 37,078.32, 55,623.56 and 12,111.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,078.32 : 55,623.56 = 12,111.15 : x
2. Step 2: Convert to fraction form
   37,078.32/55,623.56 = 12,111.15/x
3. Step 3: Cross multiply
   37,078.32x = 55,623.56 × 12,111.15
4. Step 4: Simplify right side
   37,078.32x = 673,665,218.14
5. Step 5: Solve for x
   x = 673,665,218.14/37,078.32
6. Step 6: Final answer
   x = 18,168.71