Finding the Fourth Proportional to 86,860.17, 119,865.89 and 49,134.42

Step by Step Solution

1. Step 1: Write the proportion equation
   86,860.17 : 119,865.89 = 49,134.42 : x
2. Step 2: Convert to fraction form
   86,860.17/119,865.89 = 49,134.42/x
3. Step 3: Cross multiply
   86,860.17x = 119,865.89 × 49,134.42
4. Step 4: Simplify right side
   86,860.17x = 5,889,541,105.77
5. Step 5: Solve for x
   x = 5,889,541,105.77/86,860.17
6. Step 6: Final answer
   x = 67,804.85