Finding the Fourth Proportional to 16,443.57, 22,688.98 and 9,369.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.57 : 22,688.98 = 9,369.84 : x
2. Step 2: Convert to fraction form
   16,443.57/22,688.98 = 9,369.84/x
3. Step 3: Cross multiply
   16,443.57x = 22,688.98 × 9,369.84
4. Step 4: Simplify right side
   16,443.57x = 212,592,112.36
5. Step 5: Solve for x
   x = 212,592,112.36/16,443.57
6. Step 6: Final answer
   x = 12,928.59