Finding the Fourth Proportional to 55,333.98, 76,355.76 and 31,456

Step by Step Solution

1. Step 1: Write the proportion equation
   55,333.98 : 76,355.76 = 31,456 : x
2. Step 2: Convert to fraction form
   55,333.98/76,355.76 = 31,456/x
3. Step 3: Cross multiply
   55,333.98x = 76,355.76 × 31,456
4. Step 4: Simplify right side
   55,333.98x = 2,401,846,786.56
5. Step 5: Solve for x
   x = 2,401,846,786.56/55,333.98
6. Step 6: Final answer
   x = 43,406.36