Finding the Fourth Proportional to 16,860.42, 23,265.63 and 9,785.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,860.42 : 23,265.63 = 9,785.48 : x
2. Step 2: Convert to fraction form
   16,860.42/23,265.63 = 9,785.48/x
3. Step 3: Cross multiply
   16,860.42x = 23,265.63 × 9,785.48
4. Step 4: Simplify right side
   16,860.42x = 227,665,240.72
5. Step 5: Solve for x
   x = 227,665,240.72/16,860.42
6. Step 6: Final answer
   x = 13,502.94