Finding the Fourth Proportional to 110,046.72, 165,077.12 and 31,167.20

Step by Step Solution

1. Step 1: Write the proportion equation
   110,046.72 : 165,077.12 = 31,167.20 : x
2. Step 2: Convert to fraction form
   110,046.72/165,077.12 = 31,167.20/x
3. Step 3: Cross multiply
   110,046.72x = 165,077.12 × 31,167.20
4. Step 4: Simplify right side
   110,046.72x = 5,144,991,614.46
5. Step 5: Solve for x
   x = 5,144,991,614.46/110,046.72
6. Step 6: Final answer
   x = 46,752.79