Finding the Fourth Proportional to 83,613.37, 115,378.83 and 49,616

Step by Step Solution

1. Step 1: Write the proportion equation
   83,613.37 : 115,378.83 = 49,616 : x
2. Step 2: Convert to fraction form
   83,613.37/115,378.83 = 49,616/x
3. Step 3: Cross multiply
   83,613.37x = 115,378.83 × 49,616
4. Step 4: Simplify right side
   83,613.37x = 5,724,636,029.28
5. Step 5: Solve for x
   x = 5,724,636,029.28/83,613.37
6. Step 6: Final answer
   x = 68,465.56