Finding the Fourth Proportional to 55,825.72, 77,043.78 and 31,959.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,825.72 : 77,043.78 = 31,959.88 : x
2. Step 2: Convert to fraction form
   55,825.72/77,043.78 = 31,959.88/x
3. Step 3: Cross multiply
   55,825.72x = 77,043.78 × 31,959.88
4. Step 4: Simplify right side
   55,825.72x = 2,462,309,963.55
5. Step 5: Solve for x
   x = 2,462,309,963.55/55,825.72
6. Step 6: Final answer
   x = 44,107.09