Finding the Fourth Proportional to 110,859.10, 166,272.45 and 31,965.10

Step by Step Solution

1. Step 1: Write the proportion equation
   110,859.10 : 166,272.45 = 31,965.10 : x
2. Step 2: Convert to fraction form
   110,859.10/166,272.45 = 31,965.10/x
3. Step 3: Cross multiply
   110,859.10x = 166,272.45 × 31,965.10
4. Step 4: Simplify right side
   110,859.10x = 5,314,915,491.50
5. Step 5: Solve for x
   x = 5,314,915,491.50/110,859.10
6. Step 6: Final answer
   x = 47,942.98