Finding the Fourth Proportional to 5,196.09, 7,792.39 and 1,685.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.09 : 7,792.39 = 1,685.17 : x
2. Step 2: Convert to fraction form
   5,196.09/7,792.39 = 1,685.17/x
3. Step 3: Cross multiply
   5,196.09x = 7,792.39 × 1,685.17
4. Step 4: Simplify right side
   5,196.09x = 13,131,501.86
5. Step 5: Solve for x
   x = 13,131,501.86/5,196.09
6. Step 6: Final answer
   x = 2,527.19