Finding the Fourth Proportional to 43,057.98, 64,574.42 and 16,756.47

Step by Step Solution

1. Step 1: Write the proportion equation
   43,057.98 : 64,574.42 = 16,756.47 : x
2. Step 2: Convert to fraction form
   43,057.98/64,574.42 = 16,756.47/x
3. Step 3: Cross multiply
   43,057.98x = 64,574.42 × 16,756.47
4. Step 4: Simplify right side
   43,057.98x = 1,082,039,247.72
5. Step 5: Solve for x
   x = 1,082,039,247.72/43,057.98
6. Step 6: Final answer
   x = 25,129.82