Finding the Fourth Proportional to 120,744.18, 181,107.72 and 31,995.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,744.18 : 181,107.72 = 31,995.72 : x
2. Step 2: Convert to fraction form
   120,744.18/181,107.72 = 31,995.72/x
3. Step 3: Cross multiply
   120,744.18x = 181,107.72 × 31,995.72
4. Step 4: Simplify right side
   120,744.18x = 5,794,671,898.96
5. Step 5: Solve for x
   x = 5,794,671,898.96/120,744.18
6. Step 6: Final answer
   x = 47,991.31