Finding the Fourth Proportional to 41,487.90, 62,231.72 and 33,128.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,487.90 : 62,231.72 = 33,128.76 : x
2. Step 2: Convert to fraction form
   41,487.90/62,231.72 = 33,128.76/x
3. Step 3: Cross multiply
   41,487.90x = 62,231.72 × 33,128.76
4. Step 4: Simplify right side
   41,487.90x = 2,061,659,716.27
5. Step 5: Solve for x
   x = 2,061,659,716.27/41,487.90
6. Step 6: Final answer
   x = 49,693.04