Finding the Fourth Proportional to 16,436, 24,659.76 and 7,202.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436 : 24,659.76 = 7,202.72 : x
2. Step 2: Convert to fraction form
   16,436/24,659.76 = 7,202.72/x
3. Step 3: Cross multiply
   16,436x = 24,659.76 × 7,202.72
4. Step 4: Simplify right side
   16,436x = 177,617,346.55
5. Step 5: Solve for x
   x = 177,617,346.55/16,436
6. Step 6: Final answer
   x = 10,806.60