Finding the Fourth Proportional to 16,854.14, 23,258.67 and 9,300.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854.14 : 23,258.67 = 9,300.53 : x
2. Step 2: Convert to fraction form
   16,854.14/23,258.67 = 9,300.53/x
3. Step 3: Cross multiply
   16,854.14x = 23,258.67 × 9,300.53
4. Step 4: Simplify right side
   16,854.14x = 216,317,958.10
5. Step 5: Solve for x
   x = 216,317,958.10/16,854.14
6. Step 6: Final answer
   x = 12,834.71