Finding the Fourth Proportional to 11,160.94, 16,647.72 and 10,254.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,160.94 : 16,647.72 = 10,254.23 : x
2. Step 2: Convert to fraction form
   11,160.94/16,647.72 = 10,254.23/x
3. Step 3: Cross multiply
   11,160.94x = 16,647.72 × 10,254.23
4. Step 4: Simplify right side
   11,160.94x = 170,709,549.86
5. Step 5: Solve for x
   x = 170,709,549.86/11,160.94
6. Step 6: Final answer
   x = 15,295.27