Finding the Fourth Proportional to 86,877.06, 119,892.87 and 49,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,877.06 : 119,892.87 = 49,150.50 : x
2. Step 2: Convert to fraction form
   86,877.06/119,892.87 = 49,150.50/x
3. Step 3: Cross multiply
   86,877.06x = 119,892.87 × 49,150.50
4. Step 4: Simplify right side
   86,877.06x = 5,892,794,506.94
5. Step 5: Solve for x
   x = 5,892,794,506.94/86,877.06
6. Step 6: Final answer
   x = 67,829.12