Finding the Fourth Proportional to 20,488.97, 30,732.55 and 5,496.10

Step by Step Solution

1. Step 1: Write the proportion equation
   20,488.97 : 30,732.55 = 5,496.10 : x
2. Step 2: Convert to fraction form
   20,488.97/30,732.55 = 5,496.10/x
3. Step 3: Cross multiply
   20,488.97x = 30,732.55 × 5,496.10
4. Step 4: Simplify right side
   20,488.97x = 168,909,077.48
5. Step 5: Solve for x
   x = 168,909,077.48/20,488.97
6. Step 6: Final answer
   x = 8,243.90