Finding the Fourth Proportional to 41,978.25, 57,929.99 and 23,115.38

Step by Step Solution

1. Step 1: Write the proportion equation
   41,978.25 : 57,929.99 = 23,115.38 : x
2. Step 2: Convert to fraction form
   41,978.25/57,929.99 = 23,115.38/x
3. Step 3: Cross multiply
   41,978.25x = 57,929.99 × 23,115.38
4. Step 4: Simplify right side
   41,978.25x = 1,339,073,327.02
5. Step 5: Solve for x
   x = 1,339,073,327.02/41,978.25
6. Step 6: Final answer
   x = 31,899.22