Finding the Fourth Proportional to 36,007.05, 49,698.63 and 21,871.74

Step by Step Solution

1. Step 1: Write the proportion equation
   36,007.05 : 49,698.63 = 21,871.74 : x
2. Step 2: Convert to fraction form
   36,007.05/49,698.63 = 21,871.74/x
3. Step 3: Cross multiply
   36,007.05x = 49,698.63 × 21,871.74
4. Step 4: Simplify right side
   36,007.05x = 1,086,995,513.72
5. Step 5: Solve for x
   x = 1,086,995,513.72/36,007.05
6. Step 6: Final answer
   x = 30,188.41