Finding the Fourth Proportional to 16,436.80, 24,648 and 4,749.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436.80 : 24,648 = 4,749.76 : x
2. Step 2: Convert to fraction form
   16,436.80/24,648 = 4,749.76/x
3. Step 3: Cross multiply
   16,436.80x = 24,648 × 4,749.76
4. Step 4: Simplify right side
   16,436.80x = 117,072,084.48
5. Step 5: Solve for x
   x = 117,072,084.48/16,436.80
6. Step 6: Final answer
   x = 7,122.56