Finding the Fourth Proportional to 5,196.57, 7,795.38 and 1,686.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.57 : 7,795.38 = 1,686.43 : x
2. Step 2: Convert to fraction form
   5,196.57/7,795.38 = 1,686.43/x
3. Step 3: Cross multiply
   5,196.57x = 7,795.38 × 1,686.43
4. Step 4: Simplify right side
   5,196.57x = 13,146,362.69
5. Step 5: Solve for x
   x = 13,146,362.69/5,196.57
6. Step 6: Final answer
   x = 2,529.82