Finding the Fourth Proportional to 55,401.27, 76,443.63 and 31,198.47

Step by Step Solution

1. Step 1: Write the proportion equation
   55,401.27 : 76,443.63 = 31,198.47 : x
2. Step 2: Convert to fraction form
   55,401.27/76,443.63 = 31,198.47/x
3. Step 3: Cross multiply
   55,401.27x = 76,443.63 × 31,198.47
4. Step 4: Simplify right side
   55,401.27x = 2,384,924,297.25
5. Step 5: Solve for x
   x = 2,384,924,297.25/55,401.27
6. Step 6: Final answer
   x = 43,048.19