Finding the Fourth Proportional to 37,101.96, 55,650.78 and 12,158.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,101.96 : 55,650.78 = 12,158.28 : x
2. Step 2: Convert to fraction form
   37,101.96/55,650.78 = 12,158.28/x
3. Step 3: Cross multiply
   37,101.96x = 55,650.78 × 12,158.28
4. Step 4: Simplify right side
   37,101.96x = 676,617,765.46
5. Step 5: Solve for x
   x = 676,617,765.46/37,101.96
6. Step 6: Final answer
   x = 18,236.71