Finding the Fourth Proportional to 49,556.88, 68,359.88 and 31,631.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,556.88 : 68,359.88 = 31,631.72 : x
2. Step 2: Convert to fraction form
   49,556.88/68,359.88 = 31,631.72/x
3. Step 3: Cross multiply
   49,556.88x = 68,359.88 × 31,631.72
4. Step 4: Simplify right side
   49,556.88x = 2,162,340,320.67
5. Step 5: Solve for x
   x = 2,162,340,320.67/49,556.88
6. Step 6: Final answer
   x = 43,633.50