Finding the Fourth Proportional to 9,692.15, 13,374.79 and 5,921.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,692.15 : 13,374.79 = 5,921.62 : x
2. Step 2: Convert to fraction form
   9,692.15/13,374.79 = 5,921.62/x
3. Step 3: Cross multiply
   9,692.15x = 13,374.79 × 5,921.62
4. Step 4: Simplify right side
   9,692.15x = 79,200,375.72
5. Step 5: Solve for x
   x = 79,200,375.72/9,692.15
6. Step 6: Final answer
   x = 8,171.60