Finding the Fourth Proportional to 51,564.52, 71,171.94 and 31,681

Step by Step Solution

1. Step 1: Write the proportion equation
   51,564.52 : 71,171.94 = 31,681 : x
2. Step 2: Convert to fraction form
   51,564.52/71,171.94 = 31,681/x
3. Step 3: Cross multiply
   51,564.52x = 71,171.94 × 31,681
4. Step 4: Simplify right side
   51,564.52x = 2,254,798,231.14
5. Step 5: Solve for x
   x = 2,254,798,231.14/51,564.52
6. Step 6: Final answer
   x = 43,727.71