Finding the Fourth Proportional to 115,760.81, 159,770.41 and 68,014.15

Step by Step Solution

1. Step 1: Write the proportion equation
   115,760.81 : 159,770.41 = 68,014.15 : x
2. Step 2: Convert to fraction form
   115,760.81/159,770.41 = 68,014.15/x
3. Step 3: Cross multiply
   115,760.81x = 159,770.41 × 68,014.15
4. Step 4: Simplify right side
   115,760.81x = 10,866,648,061.84
5. Step 5: Solve for x
   x = 10,866,648,061.84/115,760.81
6. Step 6: Final answer
   x = 93,871.56