Finding the Fourth Proportional to 262,695.69, 393,902.59 and 82,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,695.69 : 393,902.59 = 82,747.50 : x
2. Step 2: Convert to fraction form
   262,695.69/393,902.59 = 82,747.50/x
3. Step 3: Cross multiply
   262,695.69x = 393,902.59 × 82,747.50
4. Step 4: Simplify right side
   262,695.69x = 32,594,454,152.29
5. Step 5: Solve for x
   x = 32,594,454,152.29/262,695.69
6. Step 6: Final answer
   x = 124,076.85