Finding the Fourth Proportional to 16,923.49, 25,389.28 and 5,236.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,923.49 : 25,389.28 = 5,236.71 : x
2. Step 2: Convert to fraction form
   16,923.49/25,389.28 = 5,236.71/x
3. Step 3: Cross multiply
   16,923.49x = 25,389.28 × 5,236.71
4. Step 4: Simplify right side
   16,923.49x = 132,956,296.47
5. Step 5: Solve for x
   x = 132,956,296.47/16,923.49
6. Step 6: Final answer
   x = 7,856.32