Finding the Fourth Proportional to 82,286.84, 123,219.43 and 56,951.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,286.84 : 123,219.43 = 56,951.25 : x
2. Step 2: Convert to fraction form
   82,286.84/123,219.43 = 56,951.25/x
3. Step 3: Cross multiply
   82,286.84x = 123,219.43 × 56,951.25
4. Step 4: Simplify right side
   82,286.84x = 7,017,500,651.45
5. Step 5: Solve for x
   x = 7,017,500,651.45/82,286.84
6. Step 6: Final answer
   x = 85,280.96