Finding the Fourth Proportional to 24,612, 33,965.28 and 13,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   24,612 : 33,965.28 = 13,434.72 : x
2. Step 2: Convert to fraction form
   24,612/33,965.28 = 13,434.72/x
3. Step 3: Cross multiply
   24,612x = 33,965.28 × 13,434.72
4. Step 4: Simplify right side
   24,612x = 456,314,026.52
5. Step 5: Solve for x
   x = 456,314,026.52/24,612
6. Step 6: Final answer
   x = 18,540.31