Finding the Fourth Proportional to 17,016.81, 25,530.42 and 8,702.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.81 : 25,530.42 = 8,702.67 : x
2. Step 2: Convert to fraction form
   17,016.81/25,530.42 = 8,702.67/x
3. Step 3: Cross multiply
   17,016.81x = 25,530.42 × 8,702.67
4. Step 4: Simplify right side
   17,016.81x = 222,182,820.22
5. Step 5: Solve for x
   x = 222,182,820.22/17,016.81
6. Step 6: Final answer
   x = 13,056.67