Finding the Fourth Proportional to 12,367.08, 17,046.72 and 9,710.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,367.08 : 17,046.72 = 9,710.28 : x
2. Step 2: Convert to fraction form
   12,367.08/17,046.72 = 9,710.28/x
3. Step 3: Cross multiply
   12,367.08x = 17,046.72 × 9,710.28
4. Step 4: Simplify right side
   12,367.08x = 165,528,424.28
5. Step 5: Solve for x
   x = 165,528,424.28/12,367.08
6. Step 6: Final answer
   x = 13,384.60