Finding the Fourth Proportional to 51,604.42, 71,176.78 and 31,462.15

Step by Step Solution

1. Step 1: Write the proportion equation
   51,604.42 : 71,176.78 = 31,462.15 : x
2. Step 2: Convert to fraction form
   51,604.42/71,176.78 = 31,462.15/x
3. Step 3: Cross multiply
   51,604.42x = 71,176.78 × 31,462.15
4. Step 4: Simplify right side
   51,604.42x = 2,239,374,528.88
5. Step 5: Solve for x
   x = 2,239,374,528.88/51,604.42
6. Step 6: Final answer
   x = 43,395.01