Finding the Fourth Proportional to 139,053.44, 208,578 and 33,872.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,053.44 : 208,578 = 33,872.24 : x
2. Step 2: Convert to fraction form
   139,053.44/208,578 = 33,872.24/x
3. Step 3: Cross multiply
   139,053.44x = 208,578 × 33,872.24
4. Step 4: Simplify right side
   139,053.44x = 7,065,004,074.72
5. Step 5: Solve for x
   x = 7,065,004,074.72/139,053.44
6. Step 6: Final answer
   x = 50,807.83