Finding the Fourth Proportional to 16,912.51, 25,365.79 and 5,225.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.51 : 25,365.79 = 5,225.83 : x
2. Step 2: Convert to fraction form
   16,912.51/25,365.79 = 5,225.83/x
3. Step 3: Cross multiply
   16,912.51x = 25,365.79 × 5,225.83
4. Step 4: Simplify right side
   16,912.51x = 132,557,249.47
5. Step 5: Solve for x
   x = 132,557,249.47/16,912.51
6. Step 6: Final answer
   x = 7,837.82