Finding the Fourth Proportional to 51,462.30, 70,995.42 and 30,231.98

Step by Step Solution

1. Step 1: Write the proportion equation
   51,462.30 : 70,995.42 = 30,231.98 : x
2. Step 2: Convert to fraction form
   51,462.30/70,995.42 = 30,231.98/x
3. Step 3: Cross multiply
   51,462.30x = 70,995.42 × 30,231.98
4. Step 4: Simplify right side
   51,462.30x = 2,146,332,117.53
5. Step 5: Solve for x
   x = 2,146,332,117.53/51,462.30
6. Step 6: Final answer
   x = 41,706.88