Finding the Fourth Proportional to 16,435.08, 22,680.36 and 9,361.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,435.08 : 22,680.36 = 9,361.53 : x
2. Step 2: Convert to fraction form
   16,435.08/22,680.36 = 9,361.53/x
3. Step 3: Cross multiply
   16,435.08x = 22,680.36 × 9,361.53
4. Step 4: Simplify right side
   16,435.08x = 212,322,870.55
5. Step 5: Solve for x
   x = 212,322,870.55/16,435.08
6. Step 6: Final answer
   x = 12,918.88