Finding the Fourth Proportional to 110,044.72, 165,074.12 and 31,165.20

Step by Step Solution

1. Step 1: Write the proportion equation
   110,044.72 : 165,074.12 = 31,165.20 : x
2. Step 2: Convert to fraction form
   110,044.72/165,074.12 = 31,165.20/x
3. Step 3: Cross multiply
   110,044.72x = 165,074.12 × 31,165.20
4. Step 4: Simplify right side
   110,044.72x = 5,144,567,964.62
5. Step 5: Solve for x
   x = 5,144,567,964.62/110,044.72
6. Step 6: Final answer
   x = 46,749.79