Finding the Fourth Proportional to 5,174.67, 7,141.16 and 2,816.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174.67 : 7,141.16 = 2,816.82 : x
2. Step 2: Convert to fraction form
   5,174.67/7,141.16 = 2,816.82/x
3. Step 3: Cross multiply
   5,174.67x = 7,141.16 × 2,816.82
4. Step 4: Simplify right side
   5,174.67x = 20,115,333.65
5. Step 5: Solve for x
   x = 20,115,333.65/5,174.67
6. Step 6: Final answer
   x = 3,887.27