Finding the Fourth Proportional to 16,995.15, 25,463.94 and 10,407.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,995.15 : 25,463.94 = 10,407.57 : x
2. Step 2: Convert to fraction form
   16,995.15/25,463.94 = 10,407.57/x
3. Step 3: Cross multiply
   16,995.15x = 25,463.94 × 10,407.57
4. Step 4: Simplify right side
   16,995.15x = 265,017,738.03
5. Step 5: Solve for x
   x = 265,017,738.03/16,995.15
6. Step 6: Final answer
   x = 15,593.73