Finding the Fourth Proportional to 86,778.50, 119,754.41 and 47,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,778.50 : 119,754.41 = 47,034.50 : x
2. Step 2: Convert to fraction form
   86,778.50/119,754.41 = 47,034.50/x
3. Step 3: Cross multiply
   86,778.50x = 119,754.41 × 47,034.50
4. Step 4: Simplify right side
   86,778.50x = 5,632,588,797.15
5. Step 5: Solve for x
   x = 5,632,588,797.15/86,778.50
6. Step 6: Final answer
   x = 64,907.65