Finding the Fourth Proportional to 82,018.60, 113,182.88 and 50,187.49

Step by Step Solution

1. Step 1: Write the proportion equation
   82,018.60 : 113,182.88 = 50,187.49 : x
2. Step 2: Convert to fraction form
   82,018.60/113,182.88 = 50,187.49/x
3. Step 3: Cross multiply
   82,018.60x = 113,182.88 × 50,187.49
4. Step 4: Simplify right side
   82,018.60x = 5,680,364,124.28
5. Step 5: Solve for x
   x = 5,680,364,124.28/82,018.60
6. Step 6: Final answer
   x = 69,257.03