Finding the Fourth Proportional to 16,956.86, 25,438.93 and 5,713.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.86 : 25,438.93 = 5,713.31 : x
2. Step 2: Convert to fraction form
   16,956.86/25,438.93 = 5,713.31/x
3. Step 3: Cross multiply
   16,956.86x = 25,438.93 × 5,713.31
4. Step 4: Simplify right side
   16,956.86x = 145,340,558.54
5. Step 5: Solve for x
   x = 145,340,558.54/16,956.86
6. Step 6: Final answer
   x = 8,571.20