Finding the Fourth Proportional to 42,894.50, 64,341.54 and 10,873.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,894.50 : 64,341.54 = 10,873.58 : x
2. Step 2: Convert to fraction form
   42,894.50/64,341.54 = 10,873.58/x
3. Step 3: Cross multiply
   42,894.50x = 64,341.54 × 10,873.58
4. Step 4: Simplify right side
   42,894.50x = 699,622,560.81
5. Step 5: Solve for x
   x = 699,622,560.81/42,894.50
6. Step 6: Final answer
   x = 16,310.31