Finding the Fourth Proportional to 16,436, 22,683.60 and 9,812

Step by Step Solution

1. Step 1: Write the proportion equation
   16,436 : 22,683.60 = 9,812 : x
2. Step 2: Convert to fraction form
   16,436/22,683.60 = 9,812/x
3. Step 3: Cross multiply
   16,436x = 22,683.60 × 9,812
4. Step 4: Simplify right side
   16,436x = 222,571,483.20
5. Step 5: Solve for x
   x = 222,571,483.20/16,436
6. Step 6: Final answer
   x = 13,541.71