Finding the Fourth Proportional to 20,496.58, 30,752.37 and 8,653.30

Step by Step Solution

1. Step 1: Write the proportion equation
   20,496.58 : 30,752.37 = 8,653.30 : x
2. Step 2: Convert to fraction form
   20,496.58/30,752.37 = 8,653.30/x
3. Step 3: Cross multiply
   20,496.58x = 30,752.37 × 8,653.30
4. Step 4: Simplify right side
   20,496.58x = 266,109,483.32
5. Step 5: Solve for x
   x = 266,109,483.32/20,496.58
6. Step 6: Final answer
   x = 12,983.12