Finding the Fourth Proportional to 20,892.24, 31,337.96 and 5,097.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,892.24 : 31,337.96 = 5,097.38 : x
2. Step 2: Convert to fraction form
   20,892.24/31,337.96 = 5,097.38/x
3. Step 3: Cross multiply
   20,892.24x = 31,337.96 × 5,097.38
4. Step 4: Simplify right side
   20,892.24x = 159,741,308.37
5. Step 5: Solve for x
   x = 159,741,308.37/20,892.24
6. Step 6: Final answer
   x = 7,645.96