Finding the Fourth Proportional to 10,356.33, 15,456.25 and 9,654.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.33 : 15,456.25 = 9,654.06 : x
2. Step 2: Convert to fraction form
   10,356.33/15,456.25 = 9,654.06/x
3. Step 3: Cross multiply
   10,356.33x = 15,456.25 × 9,654.06
4. Step 4: Simplify right side
   10,356.33x = 149,215,516.60
5. Step 5: Solve for x
   x = 149,215,516.60/10,356.33
6. Step 6: Final answer
   x = 14,408.15