Finding the Fourth Proportional to 16,760.76, 23,137.71 and 9,685.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,760.76 : 23,137.71 = 9,685.80 : x
2. Step 2: Convert to fraction form
   16,760.76/23,137.71 = 9,685.80/x
3. Step 3: Cross multiply
   16,760.76x = 23,137.71 × 9,685.80
4. Step 4: Simplify right side
   16,760.76x = 224,107,231.52
5. Step 5: Solve for x
   x = 224,107,231.52/16,760.76
6. Step 6: Final answer
   x = 13,370.95