Finding the Fourth Proportional to 16,807.82, 25,189.85 and 10,480.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,807.82 : 25,189.85 = 10,480.10 : x
2. Step 2: Convert to fraction form
   16,807.82/25,189.85 = 10,480.10/x
3. Step 3: Cross multiply
   16,807.82x = 25,189.85 × 10,480.10
4. Step 4: Simplify right side
   16,807.82x = 263,992,047.24
5. Step 5: Solve for x
   x = 263,992,047.24/16,807.82
6. Step 6: Final answer
   x = 15,706.51