Finding the Fourth Proportional to 86,020.56, 118,746 and 50,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   86,020.56 : 118,746 = 50,196.96 : x
2. Step 2: Convert to fraction form
   86,020.56/118,746 = 50,196.96/x
3. Step 3: Cross multiply
   86,020.56x = 118,746 × 50,196.96
4. Step 4: Simplify right side
   86,020.56x = 5,960,688,212.16
5. Step 5: Solve for x
   x = 5,960,688,212.16/86,020.56
6. Step 6: Final answer
   x = 69,293.76