Finding the Fourth Proportional to 83,785.48, 115,606.51 and 49,805.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,785.48 : 115,606.51 = 49,805.98 : x
2. Step 2: Convert to fraction form
   83,785.48/115,606.51 = 49,805.98/x
3. Step 3: Cross multiply
   83,785.48x = 115,606.51 × 49,805.98
4. Step 4: Simplify right side
   83,785.48x = 5,757,895,524.93
5. Step 5: Solve for x
   x = 5,757,895,524.93/83,785.48
6. Step 6: Final answer
   x = 68,721.88