Finding the Fourth Proportional to 82,286.41, 123,336.28 and 37,821.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,286.41 : 123,336.28 = 37,821.28 : x
2. Step 2: Convert to fraction form
   82,286.41/123,336.28 = 37,821.28/x
3. Step 3: Cross multiply
   82,286.41x = 123,336.28 × 37,821.28
4. Step 4: Simplify right side
   82,286.41x = 4,664,735,980.04
5. Step 5: Solve for x
   x = 4,664,735,980.04/82,286.41
6. Step 6: Final answer
   x = 56,689.02