Finding the Fourth Proportional to 16,804.72, 23,187 and 9,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,804.72 : 23,187 = 9,730.72 : x
2. Step 2: Convert to fraction form
   16,804.72/23,187 = 9,730.72/x
3. Step 3: Cross multiply
   16,804.72x = 23,187 × 9,730.72
4. Step 4: Simplify right side
   16,804.72x = 225,626,204.64
5. Step 5: Solve for x
   x = 225,626,204.64/16,804.72
6. Step 6: Final answer
   x = 13,426.36