Finding the Fourth Proportional to 16,789.86, 25,178.22 and 5,694.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.86 : 25,178.22 = 5,694.48 : x
2. Step 2: Convert to fraction form
   16,789.86/25,178.22 = 5,694.48/x
3. Step 3: Cross multiply
   16,789.86x = 25,178.22 × 5,694.48
4. Step 4: Simplify right side
   16,789.86x = 143,376,870.23
5. Step 5: Solve for x
   x = 143,376,870.23/16,789.86
6. Step 6: Final answer
   x = 8,539.49