Finding the Fourth Proportional to 16,856.79, 23,262.33 and 9,303.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.79 : 23,262.33 = 9,303.58 : x
2. Step 2: Convert to fraction form
   16,856.79/23,262.33 = 9,303.58/x
3. Step 3: Cross multiply
   16,856.79x = 23,262.33 × 9,303.58
4. Step 4: Simplify right side
   16,856.79x = 216,422,948.14
5. Step 5: Solve for x
   x = 216,422,948.14/16,856.79
6. Step 6: Final answer
   x = 12,838.92