Finding the Fourth Proportional to 5,097.69, 7,647.62 and 1,637.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,097.69 : 7,647.62 = 1,637.37 : x
2. Step 2: Convert to fraction form
   5,097.69/7,647.62 = 1,637.37/x
3. Step 3: Cross multiply
   5,097.69x = 7,647.62 × 1,637.37
4. Step 4: Simplify right side
   5,097.69x = 12,521,975.37
5. Step 5: Solve for x
   x = 12,521,975.37/5,097.69
6. Step 6: Final answer
   x = 2,456.40