Finding the Fourth Proportional to 16,443.71, 22,692.32 and 9,370.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.71 : 22,692.32 = 9,370.13 : x
2. Step 2: Convert to fraction form
   16,443.71/22,692.32 = 9,370.13/x
3. Step 3: Cross multiply
   16,443.71x = 22,692.32 × 9,370.13
4. Step 4: Simplify right side
   16,443.71x = 212,629,863.23
5. Step 5: Solve for x
   x = 212,629,863.23/16,443.71
6. Step 6: Final answer
   x = 12,930.77