Finding the Fourth Proportional to 16,783.07, 25,167.15 and 5,686.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.07 : 25,167.15 = 5,686.88 : x
2. Step 2: Convert to fraction form
   16,783.07/25,167.15 = 5,686.88/x
3. Step 3: Cross multiply
   16,783.07x = 25,167.15 × 5,686.88
4. Step 4: Simplify right side
   16,783.07x = 143,122,436.16
5. Step 5: Solve for x
   x = 143,122,436.16/16,783.07
6. Step 6: Final answer
   x = 8,527.79