Finding the Fourth Proportional to 5,167.82, 7,131.15 and 3,279.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,167.82 : 7,131.15 = 3,279.71 : x
2. Step 2: Convert to fraction form
   5,167.82/7,131.15 = 3,279.71/x
3. Step 3: Cross multiply
   5,167.82x = 7,131.15 × 3,279.71
4. Step 4: Simplify right side
   5,167.82x = 23,388,068.31
5. Step 5: Solve for x
   x = 23,388,068.31/5,167.82
6. Step 6: Final answer
   x = 4,525.72