Finding the Fourth Proportional to 16,938.28, 25,423.18 and 8,624.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,938.28 : 25,423.18 = 8,624.52 : x
2. Step 2: Convert to fraction form
   16,938.28/25,423.18 = 8,624.52/x
3. Step 3: Cross multiply
   16,938.28x = 25,423.18 × 8,624.52
4. Step 4: Simplify right side
   16,938.28x = 219,262,724.37
5. Step 5: Solve for x
   x = 219,262,724.37/16,938.28
6. Step 6: Final answer
   x = 12,944.80