Finding the Fourth Proportional to 86,500.81, 119,375.27 and 48,774.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,500.81 : 119,375.27 = 48,774.25 : x
2. Step 2: Convert to fraction form
   86,500.81/119,375.27 = 48,774.25/x
3. Step 3: Cross multiply
   86,500.81x = 119,375.27 × 48,774.25
4. Step 4: Simplify right side
   86,500.81x = 5,822,439,262.80
5. Step 5: Solve for x
   x = 5,822,439,262.80/86,500.81
6. Step 6: Final answer
   x = 67,310.81