Finding the Fourth Proportional to 23,016.24, 34,539.72 and 12,635.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.24 : 34,539.72 = 12,635.28 : x
2. Step 2: Convert to fraction form
   23,016.24/34,539.72 = 12,635.28/x
3. Step 3: Cross multiply
   23,016.24x = 34,539.72 × 12,635.28
4. Step 4: Simplify right side
   23,016.24x = 436,419,033.32
5. Step 5: Solve for x
   x = 436,419,033.32/23,016.24
6. Step 6: Final answer
   x = 18,961.35