Finding the Fourth Proportional to 5,196.07, 7,794.03 and 1,686.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.07 : 7,794.03 = 1,686.19 : x
2. Step 2: Convert to fraction form
   5,196.07/7,794.03 = 1,686.19/x
3. Step 3: Cross multiply
   5,196.07x = 7,794.03 × 1,686.19
4. Step 4: Simplify right side
   5,196.07x = 13,142,215.45
5. Step 5: Solve for x
   x = 13,142,215.45/5,196.07
6. Step 6: Final answer
   x = 2,529.26