Finding the Fourth Proportional to 12,746.16, 17,574.48 and 10,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.16 : 17,574.48 = 10,974.72 : x
2. Step 2: Convert to fraction form
   12,746.16/17,574.48 = 10,974.72/x
3. Step 3: Cross multiply
   12,746.16x = 17,574.48 × 10,974.72
4. Step 4: Simplify right side
   12,746.16x = 192,874,997.15
5. Step 5: Solve for x
   x = 192,874,997.15/12,746.16
6. Step 6: Final answer
   x = 15,132.01