Finding the Fourth Proportional to 37,407.12, 56,119.83 and 12,447.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,407.12 : 56,119.83 = 12,447.12 : x
2. Step 2: Convert to fraction form
   37,407.12/56,119.83 = 12,447.12/x
3. Step 3: Cross multiply
   37,407.12x = 56,119.83 × 12,447.12
4. Step 4: Simplify right side
   37,407.12x = 698,530,258.39
5. Step 5: Solve for x
   x = 698,530,258.39/37,407.12
6. Step 6: Final answer
   x = 18,673.72