Finding the Fourth Proportional to 16,871.67, 25,308.20 and 5,785.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.67 : 25,308.20 = 5,785.98 : x
2. Step 2: Convert to fraction form
   16,871.67/25,308.20 = 5,785.98/x
3. Step 3: Cross multiply
   16,871.67x = 25,308.20 × 5,785.98
4. Step 4: Simplify right side
   16,871.67x = 146,432,768.41
5. Step 5: Solve for x
   x = 146,432,768.41/16,871.67
6. Step 6: Final answer
   x = 8,679.21