Finding the Fourth Proportional to 16,896.61, 25,343.29 and 5,206.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,896.61 : 25,343.29 = 5,206.69 : x
2. Step 2: Convert to fraction form
   16,896.61/25,343.29 = 5,206.69/x
3. Step 3: Cross multiply
   16,896.61x = 25,343.29 × 5,206.69
4. Step 4: Simplify right side
   16,896.61x = 131,954,514.88
5. Step 5: Solve for x
   x = 131,954,514.88/16,896.61
6. Step 6: Final answer
   x = 7,809.53