Finding the Fourth Proportional to 83,499.75, 115,230.06 and 49,965.75

Step by Step Solution

1. Step 1: Write the proportion equation
   83,499.75 : 115,230.06 = 49,965.75 : x
2. Step 2: Convert to fraction form
   83,499.75/115,230.06 = 49,965.75/x
3. Step 3: Cross multiply
   83,499.75x = 115,230.06 × 49,965.75
4. Step 4: Simplify right side
   83,499.75x = 5,757,556,370.45
5. Step 5: Solve for x
   x = 5,757,556,370.45/83,499.75
6. Step 6: Final answer
   x = 68,952.98