Finding the Fourth Proportional to 42,836.83, 64,245.37 and 16,185.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,836.83 : 64,245.37 = 16,185.65 : x
2. Step 2: Convert to fraction form
   42,836.83/64,245.37 = 16,185.65/x
3. Step 3: Cross multiply
   42,836.83x = 64,245.37 × 16,185.65
4. Step 4: Simplify right side
   42,836.83x = 1,039,853,072.94
5. Step 5: Solve for x
   x = 1,039,853,072.94/42,836.83
6. Step 6: Final answer
   x = 24,274.74