Finding the Fourth Proportional to 16,946.56, 25,423.20 and 5,259.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,946.56 : 25,423.20 = 5,259.28 : x
2. Step 2: Convert to fraction form
   16,946.56/25,423.20 = 5,259.28/x
3. Step 3: Cross multiply
   16,946.56x = 25,423.20 × 5,259.28
4. Step 4: Simplify right side
   16,946.56x = 133,707,727.30
5. Step 5: Solve for x
   x = 133,707,727.30/16,946.56
6. Step 6: Final answer
   x = 7,889.96