Finding the Fourth Proportional to 16,854.01, 23,258.17 and 9,300.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854.01 : 23,258.17 = 9,300.05 : x
2. Step 2: Convert to fraction form
   16,854.01/23,258.17 = 9,300.05/x
3. Step 3: Cross multiply
   16,854.01x = 23,258.17 × 9,300.05
4. Step 4: Simplify right side
   16,854.01x = 216,302,143.91
5. Step 5: Solve for x
   x = 216,302,143.91/16,854.01
6. Step 6: Final answer
   x = 12,833.87