Finding the Fourth Proportional to 20,882.52, 31,323.69 and 5,300.13

Step by Step Solution

1. Step 1: Write the proportion equation
   20,882.52 : 31,323.69 = 5,300.13 : x
2. Step 2: Convert to fraction form
   20,882.52/31,323.69 = 5,300.13/x
3. Step 3: Cross multiply
   20,882.52x = 31,323.69 × 5,300.13
4. Step 4: Simplify right side
   20,882.52x = 166,019,629.08
5. Step 5: Solve for x
   x = 166,019,629.08/20,882.52
6. Step 6: Final answer
   x = 7,950.17