Finding the Fourth Proportional to 16,786.58, 23,159.94 and 9,708

Step by Step Solution

1. Step 1: Write the proportion equation
   16,786.58 : 23,159.94 = 9,708 : x
2. Step 2: Convert to fraction form
   16,786.58/23,159.94 = 9,708/x
3. Step 3: Cross multiply
   16,786.58x = 23,159.94 × 9,708
4. Step 4: Simplify right side
   16,786.58x = 224,836,697.52
5. Step 5: Solve for x
   x = 224,836,697.52/16,786.58
6. Step 6: Final answer
   x = 13,393.84