Finding the Fourth Proportional to 17,399.32, 26,131.92 and 10,871.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399.32 : 26,131.92 = 10,871.32 : x
2. Step 2: Convert to fraction form
   17,399.32/26,131.92 = 10,871.32/x
3. Step 3: Cross multiply
   17,399.32x = 26,131.92 × 10,871.32
4. Step 4: Simplify right side
   17,399.32x = 284,088,464.53
5. Step 5: Solve for x
   x = 284,088,464.53/17,399.32
6. Step 6: Final answer
   x = 16,327.56