Finding the Fourth Proportional to 16,710.50, 23,060.50 and 9,259.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.50 : 23,060.50 = 9,259.94 : x
2. Step 2: Convert to fraction form
   16,710.50/23,060.50 = 9,259.94/x
3. Step 3: Cross multiply
   16,710.50x = 23,060.50 × 9,259.94
4. Step 4: Simplify right side
   16,710.50x = 213,538,846.37
5. Step 5: Solve for x
   x = 213,538,846.37/16,710.50
6. Step 6: Final answer
   x = 12,778.72