Finding the Fourth Proportional to 31,018.13, 42,804.39 and 17,589.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,018.13 : 42,804.39 = 17,589.49 : x
2. Step 2: Convert to fraction form
   31,018.13/42,804.39 = 17,589.49/x
3. Step 3: Cross multiply
   31,018.13x = 42,804.39 × 17,589.49
4. Step 4: Simplify right side
   31,018.13x = 752,907,389.86
5. Step 5: Solve for x
   x = 752,907,389.86/31,018.13
6. Step 6: Final answer
   x = 24,273.14