Finding the Fourth Proportional to 5,174.54, 7,760.49 and 1,663.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174.54 : 7,760.49 = 1,663.82 : x
2. Step 2: Convert to fraction form
   5,174.54/7,760.49 = 1,663.82/x
3. Step 3: Cross multiply
   5,174.54x = 7,760.49 × 1,663.82
4. Step 4: Simplify right side
   5,174.54x = 12,912,058.47
5. Step 5: Solve for x
   x = 12,912,058.47/5,174.54
6. Step 6: Final answer
   x = 2,495.31