Finding the Fourth Proportional to 151,022.37, 208,406.47 and 83,039.28

Step by Step Solution

1. Step 1: Write the proportion equation
   151,022.37 : 208,406.47 = 83,039.28 : x
2. Step 2: Convert to fraction form
   151,022.37/208,406.47 = 83,039.28/x
3. Step 3: Cross multiply
   151,022.37x = 208,406.47 × 83,039.28
4. Step 4: Simplify right side
   151,022.37x = 17,305,922,382.72
5. Step 5: Solve for x
   x = 17,305,922,382.72/151,022.37
6. Step 6: Final answer
   x = 114,591.78