Finding the Fourth Proportional to 10,016.67, 13,817.98 and 9,304.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,016.67 : 13,817.98 = 9,304.30 : x
2. Step 2: Convert to fraction form
   10,016.67/13,817.98 = 9,304.30/x
3. Step 3: Cross multiply
   10,016.67x = 13,817.98 × 9,304.30
4. Step 4: Simplify right side
   10,016.67x = 128,566,631.31
5. Step 5: Solve for x
   x = 128,566,631.31/10,016.67
6. Step 6: Final answer
   x = 12,835.27