Finding the Fourth Proportional to 16,783.74, 25,176.69 and 5,686.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.74 : 25,176.69 = 5,686.61 : x
2. Step 2: Convert to fraction form
   16,783.74/25,176.69 = 5,686.61/x
3. Step 3: Cross multiply
   16,783.74x = 25,176.69 × 5,686.61
4. Step 4: Simplify right side
   16,783.74x = 143,169,891.24
5. Step 5: Solve for x
   x = 143,169,891.24/16,783.74
6. Step 6: Final answer
   x = 8,530.27