Finding the Fourth Proportional to 9,922.21, 13,692.83 and 5,446.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.21 : 13,692.83 = 5,446.38 : x
2. Step 2: Convert to fraction form
   9,922.21/13,692.83 = 5,446.38/x
3. Step 3: Cross multiply
   9,922.21x = 13,692.83 × 5,446.38
4. Step 4: Simplify right side
   9,922.21x = 74,576,355.46
5. Step 5: Solve for x
   x = 74,576,355.46/9,922.21
6. Step 6: Final answer
   x = 7,516.10