Finding the Fourth Proportional to 52,109.47, 71,912.39 and 31,977.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,109.47 : 71,912.39 = 31,977.47 : x
2. Step 2: Convert to fraction form
   52,109.47/71,912.39 = 31,977.47/x
3. Step 3: Cross multiply
   52,109.47x = 71,912.39 × 31,977.47
4. Step 4: Simplify right side
   52,109.47x = 2,299,576,293.85
5. Step 5: Solve for x
   x = 2,299,576,293.85/52,109.47
6. Step 6: Final answer
   x = 44,129.72