Finding the Fourth Proportional to 23,078.98, 31,874.07 and 20,097.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.98 : 31,874.07 = 20,097.37 : x
2. Step 2: Convert to fraction form
   23,078.98/31,874.07 = 20,097.37/x
3. Step 3: Cross multiply
   23,078.98x = 31,874.07 × 20,097.37
4. Step 4: Simplify right side
   23,078.98x = 640,584,978.20
5. Step 5: Solve for x
   x = 640,584,978.20/23,078.98
6. Step 6: Final answer
   x = 27,756.21