Finding the Fourth Proportional to 10,093.36, 15,149.76 and 9,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.36 : 15,149.76 = 9,456.72 : x
2. Step 2: Convert to fraction form
   10,093.36/15,149.76 = 9,456.72/x
3. Step 3: Cross multiply
   10,093.36x = 15,149.76 × 9,456.72
4. Step 4: Simplify right side
   10,093.36x = 143,267,038.39
5. Step 5: Solve for x
   x = 143,267,038.39/10,093.36
6. Step 6: Final answer
   x = 14,194.19