Finding the Fourth Proportional to 86,443.31, 119,293.88 and 48,202.49

Step by Step Solution

1. Step 1: Write the proportion equation
   86,443.31 : 119,293.88 = 48,202.49 : x
2. Step 2: Convert to fraction form
   86,443.31/119,293.88 = 48,202.49/x
3. Step 3: Cross multiply
   86,443.31x = 119,293.88 × 48,202.49
4. Step 4: Simplify right side
   86,443.31x = 5,750,261,732.89
5. Step 5: Solve for x
   x = 5,750,261,732.89/86,443.31
6. Step 6: Final answer
   x = 66,520.61