Finding the Fourth Proportional to 8,564.50, 12,848.03 and 3,016.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,564.50 : 12,848.03 = 3,016.87 : x
2. Step 2: Convert to fraction form
   8,564.50/12,848.03 = 3,016.87/x
3. Step 3: Cross multiply
   8,564.50x = 12,848.03 × 3,016.87
4. Step 4: Simplify right side
   8,564.50x = 38,760,811.69
5. Step 5: Solve for x
   x = 38,760,811.69/8,564.50
6. Step 6: Final answer
   x = 4,525.75