Finding the Fourth Proportional to 86,504.59, 119,380.43 and 48,778.03

Step by Step Solution

1. Step 1: Write the proportion equation
   86,504.59 : 119,380.43 = 48,778.03 : x
2. Step 2: Convert to fraction form
   86,504.59/119,380.43 = 48,778.03/x
3. Step 3: Cross multiply
   86,504.59x = 119,380.43 × 48,778.03
4. Step 4: Simplify right side
   86,504.59x = 5,823,141,952.06
5. Step 5: Solve for x
   x = 5,823,141,952.06/86,504.59
6. Step 6: Final answer
   x = 67,315.99