Finding the Fourth Proportional to 37,105.23, 55,652.48 and 12,146.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,105.23 : 55,652.48 = 12,146.28 : x
2. Step 2: Convert to fraction form
   37,105.23/55,652.48 = 12,146.28/x
3. Step 3: Cross multiply
   37,105.23x = 55,652.48 × 12,146.28
4. Step 4: Simplify right side
   37,105.23x = 675,970,380.89
5. Step 5: Solve for x
   x = 675,970,380.89/37,105.23
6. Step 6: Final answer
   x = 18,217.66