Finding the Fourth Proportional to 164,498.20, 227,005.41 and 89,046.70

Step by Step Solution

1. Step 1: Write the proportion equation
   164,498.20 : 227,005.41 = 89,046.70 : x
2. Step 2: Convert to fraction form
   164,498.20/227,005.41 = 89,046.70/x
3. Step 3: Cross multiply
   164,498.20x = 227,005.41 × 89,046.70
4. Step 4: Simplify right side
   164,498.20x = 20,214,082,642.65
5. Step 5: Solve for x
   x = 20,214,082,642.65/164,498.20
6. Step 6: Final answer
   x = 122,883.31