Finding the Fourth Proportional to 16,824.71, 23,218.71 and 10,454.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,824.71 : 23,218.71 = 10,454.81 : x
2. Step 2: Convert to fraction form
   16,824.71/23,218.71 = 10,454.81/x
3. Step 3: Cross multiply
   16,824.71x = 23,218.71 × 10,454.81
4. Step 4: Simplify right side
   16,824.71x = 242,747,201.50
5. Step 5: Solve for x
   x = 242,747,201.50/16,824.71
6. Step 6: Final answer
   x = 14,428.02