Finding the Fourth Proportional to 17,136.29, 25,698.93 and 5,446.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,136.29 : 25,698.93 = 5,446.78 : x
2. Step 2: Convert to fraction form
   17,136.29/25,698.93 = 5,446.78/x
3. Step 3: Cross multiply
   17,136.29x = 25,698.93 × 5,446.78
4. Step 4: Simplify right side
   17,136.29x = 139,976,289.45
5. Step 5: Solve for x
   x = 139,976,289.45/17,136.29
6. Step 6: Final answer
   x = 8,168.41