Finding the Fourth Proportional to 82,335.28, 113,624.76 and 50,521.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,335.28 : 113,624.76 = 50,521.72 : x
2. Step 2: Convert to fraction form
   82,335.28/113,624.76 = 50,521.72/x
3. Step 3: Cross multiply
   82,335.28x = 113,624.76 × 50,521.72
4. Step 4: Simplify right side
   82,335.28x = 5,740,518,309.79
5. Step 5: Solve for x
   x = 5,740,518,309.79/82,335.28
6. Step 6: Final answer
   x = 69,721.25