Finding the Fourth Proportional to 25,654.82, 38,453.06 and 10,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,654.82 : 38,453.06 = 10,854.50 : x
2. Step 2: Convert to fraction form
   25,654.82/38,453.06 = 10,854.50/x
3. Step 3: Cross multiply
   25,654.82x = 38,453.06 × 10,854.50
4. Step 4: Simplify right side
   25,654.82x = 417,388,574.64
5. Step 5: Solve for x
   x = 417,388,574.64/25,654.82
6. Step 6: Final answer
   x = 16,269.40