Finding the Fourth Proportional to 55,745.72, 76,932.88 and 31,546.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,745.72 : 76,932.88 = 31,546.70 : x
2. Step 2: Convert to fraction form
   55,745.72/76,932.88 = 31,546.70/x
3. Step 3: Cross multiply
   55,745.72x = 76,932.88 × 31,546.70
4. Step 4: Simplify right side
   55,745.72x = 2,426,978,487.91
5. Step 5: Solve for x
   x = 2,426,978,487.91/55,745.72
6. Step 6: Final answer
   x = 43,536.59