Finding the Fourth Proportional to 82,498.91, 123,467.90 and 50,928.89

Step by Step Solution

1. Step 1: Write the proportion equation
   82,498.91 : 123,467.90 = 50,928.89 : x
2. Step 2: Convert to fraction form
   82,498.91/123,467.90 = 50,928.89/x
3. Step 3: Cross multiply
   82,498.91x = 123,467.90 × 50,928.89
4. Step 4: Simplify right side
   82,498.91x = 6,288,082,225.65
5. Step 5: Solve for x
   x = 6,288,082,225.65/82,498.91
6. Step 6: Final answer
   x = 76,220.19