Finding the Fourth Proportional to 115,105.44, 158,808.96 and 64,794.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,105.44 : 158,808.96 = 64,794.72 : x
2. Step 2: Convert to fraction form
   115,105.44/158,808.96 = 64,794.72/x
3. Step 3: Cross multiply
   115,105.44x = 158,808.96 × 64,794.72
4. Step 4: Simplify right side
   115,105.44x = 10,289,982,096.69
5. Step 5: Solve for x
   x = 10,289,982,096.69/115,105.44
6. Step 6: Final answer
   x = 89,396.14