Finding the Fourth Proportional to 83,843.91, 115,709.31 and 48,039.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,843.91 : 115,709.31 = 48,039.89 : x
2. Step 2: Convert to fraction form
   83,843.91/115,709.31 = 48,039.89/x
3. Step 3: Cross multiply
   83,843.91x = 115,709.31 × 48,039.89
4. Step 4: Simplify right side
   83,843.91x = 5,558,661,945.83
5. Step 5: Solve for x
   x = 5,558,661,945.83/83,843.91
6. Step 6: Final answer
   x = 66,297.74