Finding the Fourth Proportional to 86,162.56, 118,914.96 and 48,436

Step by Step Solution

1. Step 1: Write the proportion equation
   86,162.56 : 118,914.96 = 48,436 : x
2. Step 2: Convert to fraction form
   86,162.56/118,914.96 = 48,436/x
3. Step 3: Cross multiply
   86,162.56x = 118,914.96 × 48,436
4. Step 4: Simplify right side
   86,162.56x = 5,759,765,002.56
5. Step 5: Solve for x
   x = 5,759,765,002.56/86,162.56
6. Step 6: Final answer
   x = 66,847.65