Finding the Fourth Proportional to 82,567.91, 123,912.69 and 37,640.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,567.91 : 123,912.69 = 37,640.09 : x
2. Step 2: Convert to fraction form
   82,567.91/123,912.69 = 37,640.09/x
3. Step 3: Cross multiply
   82,567.91x = 123,912.69 × 37,640.09
4. Step 4: Simplify right side
   82,567.91x = 4,664,084,972.37
5. Step 5: Solve for x
   x = 4,664,084,972.37/82,567.91
6. Step 6: Final answer
   x = 56,487.87