Finding the Fourth Proportional to 30,111.67, 41,573.60 and 19,361.37

Step by Step Solution

1. Step 1: Write the proportion equation
   30,111.67 : 41,573.60 = 19,361.37 : x
2. Step 2: Convert to fraction form
   30,111.67/41,573.60 = 19,361.37/x
3. Step 3: Cross multiply
   30,111.67x = 41,573.60 × 19,361.37
4. Step 4: Simplify right side
   30,111.67x = 804,921,900.24
5. Step 5: Solve for x
   x = 804,921,900.24/30,111.67
6. Step 6: Final answer
   x = 26,731.23