Finding the Fourth Proportional to 55,768.56, 76,955.82 and 31,891.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,768.56 : 76,955.82 = 31,891.38 : x
2. Step 2: Convert to fraction form
   55,768.56/76,955.82 = 31,891.38/x
3. Step 3: Cross multiply
   55,768.56x = 76,955.82 × 31,891.38
4. Step 4: Simplify right side
   55,768.56x = 2,454,227,298.83
5. Step 5: Solve for x
   x = 2,454,227,298.83/55,768.56
6. Step 6: Final answer
   x = 44,007.36