Finding the Fourth Proportional to 9,922.49, 13,692.98 and 5,446.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.49 : 13,692.98 = 5,446.31 : x
2. Step 2: Convert to fraction form
   9,922.49/13,692.98 = 5,446.31/x
3. Step 3: Cross multiply
   9,922.49x = 13,692.98 × 5,446.31
4. Step 4: Simplify right side
   9,922.49x = 74,576,186.67
5. Step 5: Solve for x
   x = 74,576,186.67/9,922.49
6. Step 6: Final answer
   x = 7,515.88