Finding the Fourth Proportional to 42,894.92, 64,324.56 and 16,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,894.92 : 64,324.56 = 16,584.50 : x
2. Step 2: Convert to fraction form
   42,894.92/64,324.56 = 16,584.50/x
3. Step 3: Cross multiply
   42,894.92x = 64,324.56 × 16,584.50
4. Step 4: Simplify right side
   42,894.92x = 1,066,790,665.32
5. Step 5: Solve for x
   x = 1,066,790,665.32/42,894.92
6. Step 6: Final answer
   x = 24,869.86