Finding the Fourth Proportional to 82,865, 124,348.62 and 36,121.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,865 : 124,348.62 = 36,121.52 : x
2. Step 2: Convert to fraction form
   82,865/124,348.62 = 36,121.52/x
3. Step 3: Cross multiply
   82,865x = 124,348.62 × 36,121.52
4. Step 4: Simplify right side
   82,865x = 4,491,661,164.30
5. Step 5: Solve for x
   x = 4,491,661,164.30/82,865
6. Step 6: Final answer
   x = 54,204.56