Finding the Fourth Proportional to 80,770.14, 111,443.75 and 67,898.37

Step by Step Solution

1. Step 1: Write the proportion equation
   80,770.14 : 111,443.75 = 67,898.37 : x
2. Step 2: Convert to fraction form
   80,770.14/111,443.75 = 67,898.37/x
3. Step 3: Cross multiply
   80,770.14x = 111,443.75 × 67,898.37
4. Step 4: Simplify right side
   80,770.14x = 7,566,848,074.98
5. Step 5: Solve for x
   x = 7,566,848,074.98/80,770.14
6. Step 6: Final answer
   x = 93,683.74