Finding the Fourth Proportional to 24,434.64, 33,719.88 and 13,256.72

Step by Step Solution

1. Step 1: Write the proportion equation
   24,434.64 : 33,719.88 = 13,256.72 : x
2. Step 2: Convert to fraction form
   24,434.64/33,719.88 = 13,256.72/x
3. Step 3: Cross multiply
   24,434.64x = 33,719.88 × 13,256.72
4. Step 4: Simplify right side
   24,434.64x = 447,015,007.59
5. Step 5: Solve for x
   x = 447,015,007.59/24,434.64
6. Step 6: Final answer
   x = 18,294.32