Finding the Fourth Proportional to 16,856.30, 23,266.32 and 9,785

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.30 : 23,266.32 = 9,785 : x
2. Step 2: Convert to fraction form
   16,856.30/23,266.32 = 9,785/x
3. Step 3: Cross multiply
   16,856.30x = 23,266.32 × 9,785
4. Step 4: Simplify right side
   16,856.30x = 227,660,941.20
5. Step 5: Solve for x
   x = 227,660,941.20/16,856.30
6. Step 6: Final answer
   x = 13,505.99