Finding the Fourth Proportional to 82,360, 123,586.71 and 37,986.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,360 : 123,586.71 = 37,986.78 : x
2. Step 2: Convert to fraction form
   82,360/123,586.71 = 37,986.78/x
3. Step 3: Cross multiply
   82,360x = 123,586.71 × 37,986.78
4. Step 4: Simplify right side
   82,360x = 4,694,661,163.69
5. Step 5: Solve for x
   x = 4,694,661,163.69/82,360
6. Step 6: Final answer
   x = 57,001.71