Finding the Fourth Proportional to 55,086.72, 76,020.16 and 29,936.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,086.72 : 76,020.16 = 29,936.24 : x
2. Step 2: Convert to fraction form
   55,086.72/76,020.16 = 29,936.24/x
3. Step 3: Cross multiply
   55,086.72x = 76,020.16 × 29,936.24
4. Step 4: Simplify right side
   55,086.72x = 2,275,757,754.60
5. Step 5: Solve for x
   x = 2,275,757,754.60/55,086.72
6. Step 6: Final answer
   x = 41,312.28