Finding the Fourth Proportional to 10,692.38, 16,045.25 and 5,146.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,692.38 : 16,045.25 = 5,146.31 : x
2. Step 2: Convert to fraction form
   10,692.38/16,045.25 = 5,146.31/x
3. Step 3: Cross multiply
   10,692.38x = 16,045.25 × 5,146.31
4. Step 4: Simplify right side
   10,692.38x = 82,573,724.57
5. Step 5: Solve for x
   x = 82,573,724.57/10,692.38
6. Step 6: Final answer
   x = 7,722.67