Finding the Fourth Proportional to 151,917.78, 209,648.73 and 83,936.32

Step by Step Solution

1. Step 1: Write the proportion equation
   151,917.78 : 209,648.73 = 83,936.32 : x
2. Step 2: Convert to fraction form
   151,917.78/209,648.73 = 83,936.32/x
3. Step 3: Cross multiply
   151,917.78x = 209,648.73 × 83,936.32
4. Step 4: Simplify right side
   151,917.78x = 17,597,143,465.70
5. Step 5: Solve for x
   x = 17,597,143,465.70/151,917.78
6. Step 6: Final answer
   x = 115,833.33