Finding the Fourth Proportional to 120,708.42, 181,069.55 and 31,959.61

Step by Step Solution

1. Step 1: Write the proportion equation
   120,708.42 : 181,069.55 = 31,959.61 : x
2. Step 2: Convert to fraction form
   120,708.42/181,069.55 = 31,959.61/x
3. Step 3: Cross multiply
   120,708.42x = 181,069.55 × 31,959.61
4. Step 4: Simplify right side
   120,708.42x = 5,786,912,200.88
5. Step 5: Solve for x
   x = 5,786,912,200.88/120,708.42
6. Step 6: Final answer
   x = 47,941.25