Finding the Fourth Proportional to 51,481.38, 71,044.83 and 30,261

Step by Step Solution

1. Step 1: Write the proportion equation
   51,481.38 : 71,044.83 = 30,261 : x
2. Step 2: Convert to fraction form
   51,481.38/71,044.83 = 30,261/x
3. Step 3: Cross multiply
   51,481.38x = 71,044.83 × 30,261
4. Step 4: Simplify right side
   51,481.38x = 2,149,887,600.63
5. Step 5: Solve for x
   x = 2,149,887,600.63/51,481.38
6. Step 6: Final answer
   x = 41,760.49