Finding the Fourth Proportional to 16,443.91, 22,692.69 and 9,370.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.91 : 22,692.69 = 9,370.84 : x
2. Step 2: Convert to fraction form
   16,443.91/22,692.69 = 9,370.84/x
3. Step 3: Cross multiply
   16,443.91x = 22,692.69 × 9,370.84
4. Step 4: Simplify right side
   16,443.91x = 212,649,567.16
5. Step 5: Solve for x
   x = 212,649,567.16/16,443.91
6. Step 6: Final answer
   x = 12,931.81