Finding the Fourth Proportional to 42,861.69, 64,274.46 and 16,203.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,861.69 : 64,274.46 = 16,203.18 : x
2. Step 2: Convert to fraction form
   42,861.69/64,274.46 = 16,203.18/x
3. Step 3: Cross multiply
   42,861.69x = 64,274.46 × 16,203.18
4. Step 4: Simplify right side
   42,861.69x = 1,041,450,644.78
5. Step 5: Solve for x
   x = 1,041,450,644.78/42,861.69
6. Step 6: Final answer
   x = 24,297.94