Finding the Fourth Proportional to 82,870.24, 114,357.70 and 50,658.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.24 : 114,357.70 = 50,658.79 : x
2. Step 2: Convert to fraction form
   82,870.24/114,357.70 = 50,658.79/x
3. Step 3: Cross multiply
   82,870.24x = 114,357.70 × 50,658.79
4. Step 4: Simplify right side
   82,870.24x = 5,793,222,709.18
5. Step 5: Solve for x
   x = 5,793,222,709.18/82,870.24
6. Step 6: Final answer
   x = 69,907.15