Finding the Fourth Proportional to 51,760.34, 71,431.83 and 31,613.96

Step by Step Solution

1. Step 1: Write the proportion equation
   51,760.34 : 71,431.83 = 31,613.96 : x
2. Step 2: Convert to fraction form
   51,760.34/71,431.83 = 31,613.96/x
3. Step 3: Cross multiply
   51,760.34x = 71,431.83 × 31,613.96
4. Step 4: Simplify right side
   51,760.34x = 2,258,242,659.19
5. Step 5: Solve for x
   x = 2,258,242,659.19/51,760.34
6. Step 6: Final answer
   x = 43,628.83