Finding the Fourth Proportional to 8,692.04, 13,042.74 and 5,771.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,692.04 : 13,042.74 = 5,771.72 : x
2. Step 2: Convert to fraction form
   8,692.04/13,042.74 = 5,771.72/x
3. Step 3: Cross multiply
   8,692.04x = 13,042.74 × 5,771.72
4. Step 4: Simplify right side
   8,692.04x = 75,279,043.31
5. Step 5: Solve for x
   x = 75,279,043.31/8,692.04
6. Step 6: Final answer
   x = 8,660.69